Finding the Fourth Proportional to 69,631.42, 104,437.11 and 22,251.91
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Solution
The fourth proportional to 69,631.42, 104,437.11 and 22,251.91 is: 33,374.66
Step by Step Solution
- Step 1: Write the proportion equation
69,631.42 : 104,437.11 = 22,251.91 : x - Step 2: Convert to fraction form
69,631.42/104,437.11 = 22,251.91/x - Step 3: Cross multiply
69,631.42x = 104,437.11 × 22,251.91 - Step 4: Simplify right side
69,631.42x = 2,323,925,172.38 - Step 5: Solve for x
x = 2,323,925,172.38/69,631.42 - Step 6: Final answer
x = 33,374.66
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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.