Finding the Fourth Proportional to 45,100.44, 67,631.61 and 13,514.99
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Solution
The fourth proportional to 45,100.44, 67,631.61 and 13,514.99 is: 20,266.78
Step by Step Solution
- Step 1: Write the proportion equation
45,100.44 : 67,631.61 = 13,514.99 : x - Step 2: Convert to fraction form
45,100.44/67,631.61 = 13,514.99/x - Step 3: Cross multiply
45,100.44x = 67,631.61 × 13,514.99 - Step 4: Simplify right side
45,100.44x = 914,040,701.91 - Step 5: Solve for x
x = 914,040,701.91/45,100.44 - Step 6: Final answer
x = 20,266.78
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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.