Home / 31,500.44-47,251.57-8,126.88

Finding the Fourth Proportional to 31,500.44, 47,251.57 and 8,126.88

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Solution

The fourth proportional to 31,500.44, 47,251.57 and 8,126.88 is: 12,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.44 : 47,251.57 = 8,126.88 : x
  2. Step 2: Convert to fraction form
    31,500.44/47,251.57 = 8,126.88/x
  3. Step 3: Cross multiply
    31,500.44x = 47,251.57 × 8,126.88
  4. Step 4: Simplify right side
    31,500.44x = 384,007,839.20
  5. Step 5: Solve for x
    x = 384,007,839.20/31,500.44
  6. Step 6: Final answer
    x = 12,190.55

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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.