Home / 29,115.27-40,138.38-24,620.98

Finding the Fourth Proportional to 29,115.27, 40,138.38 and 24,620.98

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Solution

The fourth proportional to 29,115.27, 40,138.38 and 24,620.98 is: 33,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.27 : 40,138.38 = 24,620.98 : x
  2. Step 2: Convert to fraction form
    29,115.27/40,138.38 = 24,620.98/x
  3. Step 3: Cross multiply
    29,115.27x = 40,138.38 × 24,620.98
  4. Step 4: Simplify right side
    29,115.27x = 988,246,251.21
  5. Step 5: Solve for x
    x = 988,246,251.21/29,115.27
  6. Step 6: Final answer
    x = 33,942.54

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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.