Home / 31,843.41-47,765.19-8,469.85

Finding the Fourth Proportional to 31,843.41, 47,765.19 and 8,469.85

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Solution

The fourth proportional to 31,843.41, 47,765.19 and 8,469.85 is: 12,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.41 : 47,765.19 = 8,469.85 : x
  2. Step 2: Convert to fraction form
    31,843.41/47,765.19 = 8,469.85/x
  3. Step 3: Cross multiply
    31,843.41x = 47,765.19 × 8,469.85
  4. Step 4: Simplify right side
    31,843.41x = 404,563,996.43
  5. Step 5: Solve for x
    x = 404,563,996.43/31,843.41
  6. Step 6: Final answer
    x = 12,704.79

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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.