Home / 36,906.32-50,930.92-20,139.68

Finding the Fourth Proportional to 36,906.32, 50,930.92 and 20,139.68

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Solution

The fourth proportional to 36,906.32, 50,930.92 and 20,139.68 is: 27,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.32 : 50,930.92 = 20,139.68 : x
  2. Step 2: Convert to fraction form
    36,906.32/50,930.92 = 20,139.68/x
  3. Step 3: Cross multiply
    36,906.32x = 50,930.92 × 20,139.68
  4. Step 4: Simplify right side
    36,906.32x = 1,025,732,430.91
  5. Step 5: Solve for x
    x = 1,025,732,430.91/36,906.32
  6. Step 6: Final answer
    x = 27,792.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.