Home / 29,150.78-43,689.26-18,616.73

Finding the Fourth Proportional to 29,150.78, 43,689.26 and 18,616.73

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Solution

The fourth proportional to 29,150.78, 43,689.26 and 18,616.73 is: 27,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.78 : 43,689.26 = 18,616.73 : x
  2. Step 2: Convert to fraction form
    29,150.78/43,689.26 = 18,616.73/x
  3. Step 3: Cross multiply
    29,150.78x = 43,689.26 × 18,616.73
  4. Step 4: Simplify right side
    29,150.78x = 813,350,845.79
  5. Step 5: Solve for x
    x = 813,350,845.79/29,150.78
  6. Step 6: Final answer
    x = 27,901.52

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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.