Home / 41,002.40-61,500-11,418.32

Finding the Fourth Proportional to 41,002.40, 61,500 and 11,418.32

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Solution

The fourth proportional to 41,002.40, 61,500 and 11,418.32 is: 17,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,002.40 : 61,500 = 11,418.32 : x
  2. Step 2: Convert to fraction form
    41,002.40/61,500 = 11,418.32/x
  3. Step 3: Cross multiply
    41,002.40x = 61,500 × 11,418.32
  4. Step 4: Simplify right side
    41,002.40x = 702,226,680
  5. Step 5: Solve for x
    x = 702,226,680/41,002.40
  6. Step 6: Final answer
    x = 17,126.48

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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.