Home / 39,939.59-55,115.11-24,828.78

Finding the Fourth Proportional to 39,939.59, 55,115.11 and 24,828.78

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Solution

The fourth proportional to 39,939.59, 55,115.11 and 24,828.78 is: 34,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.59 : 55,115.11 = 24,828.78 : x
  2. Step 2: Convert to fraction form
    39,939.59/55,115.11 = 24,828.78/x
  3. Step 3: Cross multiply
    39,939.59x = 55,115.11 × 24,828.78
  4. Step 4: Simplify right side
    39,939.59x = 1,368,441,178.58
  5. Step 5: Solve for x
    x = 1,368,441,178.58/39,939.59
  6. Step 6: Final answer
    x = 34,262.78

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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.