Home / 29,429.27-44,142.92-12,789.30

Finding the Fourth Proportional to 29,429.27, 44,142.92 and 12,789.30

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Solution

The fourth proportional to 29,429.27, 44,142.92 and 12,789.30 is: 19,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.27 : 44,142.92 = 12,789.30 : x
  2. Step 2: Convert to fraction form
    29,429.27/44,142.92 = 12,789.30/x
  3. Step 3: Cross multiply
    29,429.27x = 44,142.92 × 12,789.30
  4. Step 4: Simplify right side
    29,429.27x = 564,557,305.27
  5. Step 5: Solve for x
    x = 564,557,305.27/29,429.27
  6. Step 6: Final answer
    x = 19,183.53

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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.