Home / 41,981.28-62,981.19-13,910.10

Finding the Fourth Proportional to 41,981.28, 62,981.19 and 13,910.10

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Solution

The fourth proportional to 41,981.28, 62,981.19 and 13,910.10 is: 20,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,981.28 : 62,981.19 = 13,910.10 : x
  2. Step 2: Convert to fraction form
    41,981.28/62,981.19 = 13,910.10/x
  3. Step 3: Cross multiply
    41,981.28x = 62,981.19 × 13,910.10
  4. Step 4: Simplify right side
    41,981.28x = 876,074,651.02
  5. Step 5: Solve for x
    x = 876,074,651.02/41,981.28
  6. Step 6: Final answer
    x = 20,868.22

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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.