Finding the Fourth Proportional to 69,016.30, 103,524.26 and 21,634.99
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Solution
The fourth proportional to 69,016.30, 103,524.26 and 21,634.99 is: 32,452.42
Step by Step Solution
- Step 1: Write the proportion equation
69,016.30 : 103,524.26 = 21,634.99 : x - Step 2: Convert to fraction form
69,016.30/103,524.26 = 21,634.99/x - Step 3: Cross multiply
69,016.30x = 103,524.26 × 21,634.99 - Step 4: Simplify right side
69,016.30x = 2,239,745,962.87 - Step 5: Solve for x
x = 2,239,745,962.87/69,016.30 - Step 6: Final answer
x = 32,452.42
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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.