Home / 32,068.80-44,251.20-20,131.20

Finding the Fourth Proportional to 32,068.80, 44,251.20 and 20,131.20

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Solution

The fourth proportional to 32,068.80, 44,251.20 and 20,131.20 is: 27,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,068.80 : 44,251.20 = 20,131.20 : x
  2. Step 2: Convert to fraction form
    32,068.80/44,251.20 = 20,131.20/x
  3. Step 3: Cross multiply
    32,068.80x = 44,251.20 × 20,131.20
  4. Step 4: Simplify right side
    32,068.80x = 890,829,757.44
  5. Step 5: Solve for x
    x = 890,829,757.44/32,068.80
  6. Step 6: Final answer
    x = 27,778.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.