Home / 87,883.56-131,811.57-31,714.92

Finding the Fourth Proportional to 87,883.56, 131,811.57 and 31,714.92

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Solution

The fourth proportional to 87,883.56, 131,811.57 and 31,714.92 is: 47,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.56 : 131,811.57 = 31,714.92 : x
  2. Step 2: Convert to fraction form
    87,883.56/131,811.57 = 31,714.92/x
  3. Step 3: Cross multiply
    87,883.56x = 131,811.57 × 31,714.92
  4. Step 4: Simplify right side
    87,883.56x = 4,180,393,397.62
  5. Step 5: Solve for x
    x = 4,180,393,397.62/87,883.56
  6. Step 6: Final answer
    x = 47,567.41

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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.