Home / 55,831.11-83,720.19-21,652.86

Finding the Fourth Proportional to 55,831.11, 83,720.19 and 21,652.86

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Solution

The fourth proportional to 55,831.11, 83,720.19 and 21,652.86 is: 32,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,831.11 : 83,720.19 = 21,652.86 : x
  2. Step 2: Convert to fraction form
    55,831.11/83,720.19 = 21,652.86/x
  3. Step 3: Cross multiply
    55,831.11x = 83,720.19 × 21,652.86
  4. Step 4: Simplify right side
    55,831.11x = 1,812,781,553.24
  5. Step 5: Solve for x
    x = 1,812,781,553.24/55,831.11
  6. Step 6: Final answer
    x = 32,469.02

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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.