Home / 29,199.18-43,805.26-8,422.68

Finding the Fourth Proportional to 29,199.18, 43,805.26 and 8,422.68

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Solution

The fourth proportional to 29,199.18, 43,805.26 and 8,422.68 is: 12,635.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.18 : 43,805.26 = 8,422.68 : x
  2. Step 2: Convert to fraction form
    29,199.18/43,805.26 = 8,422.68/x
  3. Step 3: Cross multiply
    29,199.18x = 43,805.26 × 8,422.68
  4. Step 4: Simplify right side
    29,199.18x = 368,957,687.30
  5. Step 5: Solve for x
    x = 368,957,687.30/29,199.18
  6. Step 6: Final answer
    x = 12,635.89

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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.