Home / 31,652.66-43,680.30-17,505.20

Finding the Fourth Proportional to 31,652.66, 43,680.30 and 17,505.20

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Solution

The fourth proportional to 31,652.66, 43,680.30 and 17,505.20 is: 24,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,652.66 : 43,680.30 = 17,505.20 : x
  2. Step 2: Convert to fraction form
    31,652.66/43,680.30 = 17,505.20/x
  3. Step 3: Cross multiply
    31,652.66x = 43,680.30 × 17,505.20
  4. Step 4: Simplify right side
    31,652.66x = 764,632,387.56
  5. Step 5: Solve for x
    x = 764,632,387.56/31,652.66
  6. Step 6: Final answer
    x = 24,156.97

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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.