Home / 39,983.77-55,177.76-22,079.39

Finding the Fourth Proportional to 39,983.77, 55,177.76 and 22,079.39

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Solution

The fourth proportional to 39,983.77, 55,177.76 and 22,079.39 is: 30,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.77 : 55,177.76 = 22,079.39 : x
  2. Step 2: Convert to fraction form
    39,983.77/55,177.76 = 22,079.39/x
  3. Step 3: Cross multiply
    39,983.77x = 55,177.76 × 22,079.39
  4. Step 4: Simplify right side
    39,983.77x = 1,218,291,171.97
  5. Step 5: Solve for x
    x = 1,218,291,171.97/39,983.77
  6. Step 6: Final answer
    x = 30,469.65

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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.