Home / 38,553.52-57,813.96-12,251.20

Finding the Fourth Proportional to 38,553.52, 57,813.96 and 12,251.20

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Solution

The fourth proportional to 38,553.52, 57,813.96 and 12,251.20 is: 18,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.52 : 57,813.96 = 12,251.20 : x
  2. Step 2: Convert to fraction form
    38,553.52/57,813.96 = 12,251.20/x
  3. Step 3: Cross multiply
    38,553.52x = 57,813.96 × 12,251.20
  4. Step 4: Simplify right side
    38,553.52x = 708,290,386.75
  5. Step 5: Solve for x
    x = 708,290,386.75/38,553.52
  6. Step 6: Final answer
    x = 18,371.61

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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.