Finding the Fourth Proportional to 71,590.36, 107,398.11 and 27,220.99
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Solution
The fourth proportional to 71,590.36, 107,398.11 and 27,220.99 is: 40,836.26
Step by Step Solution
- Step 1: Write the proportion equation
71,590.36 : 107,398.11 = 27,220.99 : x - Step 2: Convert to fraction form
71,590.36/107,398.11 = 27,220.99/x - Step 3: Cross multiply
71,590.36x = 107,398.11 × 27,220.99 - Step 4: Simplify right side
71,590.36x = 2,923,482,878.33 - Step 5: Solve for x
x = 2,923,482,878.33/71,590.36 - Step 6: Final answer
x = 40,836.26
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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.