Finding the Fourth Proportional to 71,971.24, 107,953.80 and 24,590.58
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Solution
The fourth proportional to 71,971.24, 107,953.80 and 24,590.58 is: 36,884.82
Step by Step Solution
- Step 1: Write the proportion equation
71,971.24 : 107,953.80 = 24,590.58 : x - Step 2: Convert to fraction form
71,971.24/107,953.80 = 24,590.58/x - Step 3: Cross multiply
71,971.24x = 107,953.80 × 24,590.58 - Step 4: Simplify right side
71,971.24x = 2,654,646,555.20 - Step 5: Solve for x
x = 2,654,646,555.20/71,971.24 - Step 6: Final answer
x = 36,884.82
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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.