Finding the Fourth Proportional to 71,354.50, 107,038.80 and 26,387.65
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Solution
The fourth proportional to 71,354.50, 107,038.80 and 26,387.65 is: 39,584.09
Step by Step Solution
- Step 1: Write the proportion equation
71,354.50 : 107,038.80 = 26,387.65 : x - Step 2: Convert to fraction form
71,354.50/107,038.80 = 26,387.65/x - Step 3: Cross multiply
71,354.50x = 107,038.80 × 26,387.65 - Step 4: Simplify right side
71,354.50x = 2,824,502,524.62 - Step 5: Solve for x
x = 2,824,502,524.62/71,354.50 - Step 6: Final answer
x = 39,584.09
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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.