Home / 39,983.27-55,177.07-22,078.89

Finding the Fourth Proportional to 39,983.27, 55,177.07 and 22,078.89

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Solution

The fourth proportional to 39,983.27, 55,177.07 and 22,078.89 is: 30,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.27 : 55,177.07 = 22,078.89 : x
  2. Step 2: Convert to fraction form
    39,983.27/55,177.07 = 22,078.89/x
  3. Step 3: Cross multiply
    39,983.27x = 55,177.07 × 22,078.89
  4. Step 4: Simplify right side
    39,983.27x = 1,218,248,348.66
  5. Step 5: Solve for x
    x = 1,218,248,348.66/39,983.27
  6. Step 6: Final answer
    x = 30,468.96

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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.