Home / 43,234.20-64,851.30-38,422.80

Finding the Fourth Proportional to 43,234.20, 64,851.30 and 38,422.80

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Solution

The fourth proportional to 43,234.20, 64,851.30 and 38,422.80 is: 57,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.20 : 64,851.30 = 38,422.80 : x
  2. Step 2: Convert to fraction form
    43,234.20/64,851.30 = 38,422.80/x
  3. Step 3: Cross multiply
    43,234.20x = 64,851.30 × 38,422.80
  4. Step 4: Simplify right side
    43,234.20x = 2,491,768,529.64
  5. Step 5: Solve for x
    x = 2,491,768,529.64/43,234.20
  6. Step 6: Final answer
    x = 57,634.20

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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.