Home / 29,660.34-40,930.92-16,231.47

Finding the Fourth Proportional to 29,660.34, 40,930.92 and 16,231.47

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Solution

The fourth proportional to 29,660.34, 40,930.92 and 16,231.47 is: 22,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.34 : 40,930.92 = 16,231.47 : x
  2. Step 2: Convert to fraction form
    29,660.34/40,930.92 = 16,231.47/x
  3. Step 3: Cross multiply
    29,660.34x = 40,930.92 × 16,231.47
  4. Step 4: Simplify right side
    29,660.34x = 664,369,000.05
  5. Step 5: Solve for x
    x = 664,369,000.05/29,660.34
  6. Step 6: Final answer
    x = 22,399.24

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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.