Finding the Fourth Proportional to 71,587.26, 107,381.97 and 21,669.66
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Solution
The fourth proportional to 71,587.26, 107,381.97 and 21,669.66 is: 32,504.82
Step by Step Solution
- Step 1: Write the proportion equation
71,587.26 : 107,381.97 = 21,669.66 : x - Step 2: Convert to fraction form
71,587.26/107,381.97 = 21,669.66/x - Step 3: Cross multiply
71,587.26x = 107,381.97 × 21,669.66 - Step 4: Simplify right side
71,587.26x = 2,326,930,780.03 - Step 5: Solve for x
x = 2,326,930,780.03/71,587.26 - Step 6: Final answer
x = 32,504.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.