Home / 29,154.78-43,695.25-18,620.73

Finding the Fourth Proportional to 29,154.78, 43,695.25 and 18,620.73

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Solution

The fourth proportional to 29,154.78, 43,695.25 and 18,620.73 is: 27,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.78 : 43,695.25 = 18,620.73 : x
  2. Step 2: Convert to fraction form
    29,154.78/43,695.25 = 18,620.73/x
  3. Step 3: Cross multiply
    29,154.78x = 43,695.25 × 18,620.73
  4. Step 4: Simplify right side
    29,154.78x = 813,637,452.53
  5. Step 5: Solve for x
    x = 813,637,452.53/29,154.78
  6. Step 6: Final answer
    x = 27,907.51

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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.