Home / 41,240.92-61,865.36-11,659.72

Finding the Fourth Proportional to 41,240.92, 61,865.36 and 11,659.72

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Solution

The fourth proportional to 41,240.92, 61,865.36 and 11,659.72 is: 17,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,240.92 : 61,865.36 = 11,659.72 : x
  2. Step 2: Convert to fraction form
    41,240.92/61,865.36 = 11,659.72/x
  3. Step 3: Cross multiply
    41,240.92x = 61,865.36 × 11,659.72
  4. Step 4: Simplify right side
    41,240.92x = 721,332,775.30
  5. Step 5: Solve for x
    x = 721,332,775.30/41,240.92
  6. Step 6: Final answer
    x = 17,490.71

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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.