Home / 40,939.38-61,406.19-15,974.73

Finding the Fourth Proportional to 40,939.38, 61,406.19 and 15,974.73

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Solution

The fourth proportional to 40,939.38, 61,406.19 and 15,974.73 is: 23,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.38 : 61,406.19 = 15,974.73 : x
  2. Step 2: Convert to fraction form
    40,939.38/61,406.19 = 15,974.73/x
  3. Step 3: Cross multiply
    40,939.38x = 61,406.19 × 15,974.73
  4. Step 4: Simplify right side
    40,939.38x = 980,947,305.58
  5. Step 5: Solve for x
    x = 980,947,305.58/40,939.38
  6. Step 6: Final answer
    x = 23,960.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.