Home / 39,660.08-54,723.33-22,669.71

Finding the Fourth Proportional to 39,660.08, 54,723.33 and 22,669.71

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Solution

The fourth proportional to 39,660.08, 54,723.33 and 22,669.71 is: 31,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.08 : 54,723.33 = 22,669.71 : x
  2. Step 2: Convert to fraction form
    39,660.08/54,723.33 = 22,669.71/x
  3. Step 3: Cross multiply
    39,660.08x = 54,723.33 × 22,669.71
  4. Step 4: Simplify right side
    39,660.08x = 1,240,561,747.72
  5. Step 5: Solve for x
    x = 1,240,561,747.72/39,660.08
  6. Step 6: Final answer
    x = 31,279.86

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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.