Home / 41,139.20-61,708.80-34,227.20

Finding the Fourth Proportional to 41,139.20, 61,708.80 and 34,227.20

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Solution

The fourth proportional to 41,139.20, 61,708.80 and 34,227.20 is: 51,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,139.20 : 61,708.80 = 34,227.20 : x
  2. Step 2: Convert to fraction form
    41,139.20/61,708.80 = 34,227.20/x
  3. Step 3: Cross multiply
    41,139.20x = 61,708.80 × 34,227.20
  4. Step 4: Simplify right side
    41,139.20x = 2,112,119,439.36
  5. Step 5: Solve for x
    x = 2,112,119,439.36/41,139.20
  6. Step 6: Final answer
    x = 51,340.80

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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.