Home / 49,981.92-74,974.20-21,887.52

Finding the Fourth Proportional to 49,981.92, 74,974.20 and 21,887.52

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Solution

The fourth proportional to 49,981.92, 74,974.20 and 21,887.52 is: 32,831.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,981.92 : 74,974.20 = 21,887.52 : x
  2. Step 2: Convert to fraction form
    49,981.92/74,974.20 = 21,887.52/x
  3. Step 3: Cross multiply
    49,981.92x = 74,974.20 × 21,887.52
  4. Step 4: Simplify right side
    49,981.92x = 1,640,999,301.98
  5. Step 5: Solve for x
    x = 1,640,999,301.98/49,981.92
  6. Step 6: Final answer
    x = 32,831.86

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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.