Home / 29,230.52-40,338.20-18,617.88

Finding the Fourth Proportional to 29,230.52, 40,338.20 and 18,617.88

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Solution

The fourth proportional to 29,230.52, 40,338.20 and 18,617.88 is: 25,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.52 : 40,338.20 = 18,617.88 : x
  2. Step 2: Convert to fraction form
    29,230.52/40,338.20 = 18,617.88/x
  3. Step 3: Cross multiply
    29,230.52x = 40,338.20 × 18,617.88
  4. Step 4: Simplify right side
    29,230.52x = 751,011,767.02
  5. Step 5: Solve for x
    x = 751,011,767.02/29,230.52
  6. Step 6: Final answer
    x = 25,692.73

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1.5x scale

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.