Home / 57,034.13-85,491.87-21,471.02

Finding the Fourth Proportional to 57,034.13, 85,491.87 and 21,471.02

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Solution

The fourth proportional to 57,034.13, 85,491.87 and 21,471.02 is: 32,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034.13 : 85,491.87 = 21,471.02 : x
  2. Step 2: Convert to fraction form
    57,034.13/85,491.87 = 21,471.02/x
  3. Step 3: Cross multiply
    57,034.13x = 85,491.87 × 21,471.02
  4. Step 4: Simplify right side
    57,034.13x = 1,835,597,650.61
  5. Step 5: Solve for x
    x = 1,835,597,650.61/57,034.13
  6. Step 6: Final answer
    x = 32,184.20

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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.