Home / 40,713.12-56,179.20-23,720.88

Finding the Fourth Proportional to 40,713.12, 56,179.20 and 23,720.88

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Solution

The fourth proportional to 40,713.12, 56,179.20 and 23,720.88 is: 32,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,713.12 : 56,179.20 = 23,720.88 : x
  2. Step 2: Convert to fraction form
    40,713.12/56,179.20 = 23,720.88/x
  3. Step 3: Cross multiply
    40,713.12x = 56,179.20 × 23,720.88
  4. Step 4: Simplify right side
    40,713.12x = 1,332,620,061.70
  5. Step 5: Solve for x
    x = 1,332,620,061.70/40,713.12
  6. Step 6: Final answer
    x = 32,731.96

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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.