Home / 29,942.12-41,321.12-16,330.90

Finding the Fourth Proportional to 29,942.12, 41,321.12 and 16,330.90

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Solution

The fourth proportional to 29,942.12, 41,321.12 and 16,330.90 is: 22,537.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.12 : 41,321.12 = 16,330.90 : x
  2. Step 2: Convert to fraction form
    29,942.12/41,321.12 = 16,330.90/x
  3. Step 3: Cross multiply
    29,942.12x = 41,321.12 × 16,330.90
  4. Step 4: Simplify right side
    29,942.12x = 674,811,078.61
  5. Step 5: Solve for x
    x = 674,811,078.61/29,942.12
  6. Step 6: Final answer
    x = 22,537.18

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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.