Finding the Fourth Proportional to 71,587.98, 107,373.63 and 19,001.55
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Solution
The fourth proportional to 71,587.98, 107,373.63 and 19,001.55 is: 28,500.11
Step by Step Solution
- Step 1: Write the proportion equation
71,587.98 : 107,373.63 = 19,001.55 : x - Step 2: Convert to fraction form
71,587.98/107,373.63 = 19,001.55/x - Step 3: Cross multiply
71,587.98x = 107,373.63 × 19,001.55 - Step 4: Simplify right side
71,587.98x = 2,040,265,399.13 - Step 5: Solve for x
x = 2,040,265,399.13/71,587.98 - Step 6: Final answer
x = 28,500.11
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1.5x scale
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.