Home / 38,538.90-57,797.55-12,251.70

Finding the Fourth Proportional to 38,538.90, 57,797.55 and 12,251.70

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Solution

The fourth proportional to 38,538.90, 57,797.55 and 12,251.70 is: 18,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.90 : 57,797.55 = 12,251.70 : x
  2. Step 2: Convert to fraction form
    38,538.90/57,797.55 = 12,251.70/x
  3. Step 3: Cross multiply
    38,538.90x = 57,797.55 × 12,251.70
  4. Step 4: Simplify right side
    38,538.90x = 708,118,243.34
  5. Step 5: Solve for x
    x = 708,118,243.34/38,538.90
  6. Step 6: Final answer
    x = 18,374.12

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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.