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Finding the Fourth Proportional to 38,375.98, 57,559.11 and 12,080.95

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Solution

The fourth proportional to 38,375.98, 57,559.11 and 12,080.95 is: 18,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,375.98 : 57,559.11 = 12,080.95 : x
  2. Step 2: Convert to fraction form
    38,375.98/57,559.11 = 12,080.95/x
  3. Step 3: Cross multiply
    38,375.98x = 57,559.11 × 12,080.95
  4. Step 4: Simplify right side
    38,375.98x = 695,368,540.75
  5. Step 5: Solve for x
    x = 695,368,540.75/38,375.98
  6. Step 6: Final answer
    x = 18,119.89

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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.