Home / 41,902.28-62,862.72-13,831.04

Finding the Fourth Proportional to 41,902.28, 62,862.72 and 13,831.04

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Solution

The fourth proportional to 41,902.28, 62,862.72 and 13,831.04 is: 20,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,902.28 : 62,862.72 = 13,831.04 : x
  2. Step 2: Convert to fraction form
    41,902.28/62,862.72 = 13,831.04/x
  3. Step 3: Cross multiply
    41,902.28x = 62,862.72 × 13,831.04
  4. Step 4: Simplify right side
    41,902.28x = 869,456,794.83
  5. Step 5: Solve for x
    x = 869,456,794.83/41,902.28
  6. Step 6: Final answer
    x = 20,749.63

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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.