Home / 29,115.12-40,179-16,540.56

Finding the Fourth Proportional to 29,115.12, 40,179 and 16,540.56

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Solution

The fourth proportional to 29,115.12, 40,179 and 16,540.56 is: 22,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.12 : 40,179 = 16,540.56 : x
  2. Step 2: Convert to fraction form
    29,115.12/40,179 = 16,540.56/x
  3. Step 3: Cross multiply
    29,115.12x = 40,179 × 16,540.56
  4. Step 4: Simplify right side
    29,115.12x = 664,583,160.24
  5. Step 5: Solve for x
    x = 664,583,160.24/29,115.12
  6. Step 6: Final answer
    x = 22,826.05

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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.