Finding the Fourth Proportional to 71,942.94, 107,924.25 and 24,545.31
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Solution
The fourth proportional to 71,942.94, 107,924.25 and 24,545.31 is: 36,821.32
Step by Step Solution
- Step 1: Write the proportion equation
71,942.94 : 107,924.25 = 24,545.31 : x - Step 2: Convert to fraction form
71,942.94/107,924.25 = 24,545.31/x - Step 3: Cross multiply
71,942.94x = 107,924.25 × 24,545.31 - Step 4: Simplify right side
71,942.94x = 2,649,034,172.77 - Step 5: Solve for x
x = 2,649,034,172.77/71,942.94 - Step 6: Final answer
x = 36,821.32
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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.