Finding the Fourth Proportional to 42,317.76, 58,397.92 and 24,412.80
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Solution
The fourth proportional to 42,317.76, 58,397.92 and 24,412.80 is: 33,689.32
Step by Step Solution
- Step 1: Write the proportion equation
42,317.76 : 58,397.92 = 24,412.80 : x - Step 2: Convert to fraction form
42,317.76/58,397.92 = 24,412.80/x - Step 3: Cross multiply
42,317.76x = 58,397.92 × 24,412.80 - Step 4: Simplify right side
42,317.76x = 1,425,656,741.38 - Step 5: Solve for x
x = 1,425,656,741.38/42,317.76 - Step 6: Final answer
x = 33,689.32
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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.