Home / 29,321.11-40,462.90-15,892.02

Finding the Fourth Proportional to 29,321.11, 40,462.90 and 15,892.02

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Solution

The fourth proportional to 29,321.11, 40,462.90 and 15,892.02 is: 21,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.11 : 40,462.90 = 15,892.02 : x
  2. Step 2: Convert to fraction form
    29,321.11/40,462.90 = 15,892.02/x
  3. Step 3: Cross multiply
    29,321.11x = 40,462.90 × 15,892.02
  4. Step 4: Simplify right side
    29,321.11x = 643,037,235.92
  5. Step 5: Solve for x
    x = 643,037,235.92/29,321.11
  6. Step 6: Final answer
    x = 21,930.86

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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.