Study the Table Properly and answer by interpreting the data

The table shows the percentage population of five districts in a state below poverty line and the proportion of males and females.

District	Percentage of population  below poverty level	Proportion of Male and Female
		Below poverty line (M:F)	Above poverty Line (M:F)
D1	15	2 : 3	3 : 2
D2	18	3 : 4	7 : 5
D3	20	2 : 5	3 : 4
D4	25	5 : 2	4 : 3
D5	12	3 : 7	2 : 7

If the total population in the district D3 is 40,000, then what is the population of below poverty line in the district D3, ?