Home / 38,414.30-57,619.43-11,760.31

Finding the Fourth Proportional to 38,414.30, 57,619.43 and 11,760.31

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Solution

The fourth proportional to 38,414.30, 57,619.43 and 11,760.31 is: 17,639.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,414.30 : 57,619.43 = 11,760.31 : x
  2. Step 2: Convert to fraction form
    38,414.30/57,619.43 = 11,760.31/x
  3. Step 3: Cross multiply
    38,414.30x = 57,619.43 × 11,760.31
  4. Step 4: Simplify right side
    38,414.30x = 677,622,545.13
  5. Step 5: Solve for x
    x = 677,622,545.13/38,414.30
  6. Step 6: Final answer
    x = 17,639.85

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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.