Home / 31,499.44-47,250.07-8,125.88

Finding the Fourth Proportional to 31,499.44, 47,250.07 and 8,125.88

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Solution

The fourth proportional to 31,499.44, 47,250.07 and 8,125.88 is: 12,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.44 : 47,250.07 = 8,125.88 : x
  2. Step 2: Convert to fraction form
    31,499.44/47,250.07 = 8,125.88/x
  3. Step 3: Cross multiply
    31,499.44x = 47,250.07 × 8,125.88
  4. Step 4: Simplify right side
    31,499.44x = 383,948,142.25
  5. Step 5: Solve for x
    x = 383,948,142.25/31,499.44
  6. Step 6: Final answer
    x = 12,189.05

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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.