Home / 29,107.11-43,624.13-12,447.55

Finding the Fourth Proportional to 29,107.11, 43,624.13 and 12,447.55

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Solution

The fourth proportional to 29,107.11, 43,624.13 and 12,447.55 is: 18,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.11 : 43,624.13 = 12,447.55 : x
  2. Step 2: Convert to fraction form
    29,107.11/43,624.13 = 12,447.55/x
  3. Step 3: Cross multiply
    29,107.11x = 43,624.13 × 12,447.55
  4. Step 4: Simplify right side
    29,107.11x = 543,013,321.26
  5. Step 5: Solve for x
    x = 543,013,321.26/29,107.11
  6. Step 6: Final answer
    x = 18,655.69

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1.5x scale

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.