Finding the Fourth Proportional to 40,058.04, 55,279.08 and 22,152.57
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Solution
The fourth proportional to 40,058.04, 55,279.08 and 22,152.57 is: 30,569.99
Step by Step Solution
- Step 1: Write the proportion equation
40,058.04 : 55,279.08 = 22,152.57 : x - Step 2: Convert to fraction form
40,058.04/55,279.08 = 22,152.57/x - Step 3: Cross multiply
40,058.04x = 55,279.08 × 22,152.57 - Step 4: Simplify right side
40,058.04x = 1,224,573,689.24 - Step 5: Solve for x
x = 1,224,573,689.24/40,058.04 - Step 6: Final answer
x = 30,569.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.