Finding the Fourth Proportional to 55,043.38, 82,552.92 and 15,599.62
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Solution
The fourth proportional to 55,043.38, 82,552.92 and 15,599.62 is: 23,395.99
Step by Step Solution
- Step 1: Write the proportion equation
55,043.38 : 82,552.92 = 15,599.62 : x - Step 2: Convert to fraction form
55,043.38/82,552.92 = 15,599.62/x - Step 3: Cross multiply
55,043.38x = 82,552.92 × 15,599.62 - Step 4: Simplify right side
55,043.38x = 1,287,794,181.89 - Step 5: Solve for x
x = 1,287,794,181.89/55,043.38 - Step 6: Final answer
x = 23,395.99
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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.