Home / 29,217.12-43,832.16-8,439.12

Finding the Fourth Proportional to 29,217.12, 43,832.16 and 8,439.12

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Solution

The fourth proportional to 29,217.12, 43,832.16 and 8,439.12 is: 12,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,217.12 : 43,832.16 = 8,439.12 : x
  2. Step 2: Convert to fraction form
    29,217.12/43,832.16 = 8,439.12/x
  3. Step 3: Cross multiply
    29,217.12x = 43,832.16 × 8,439.12
  4. Step 4: Simplify right side
    29,217.12x = 369,904,858.10
  5. Step 5: Solve for x
    x = 369,904,858.10/29,217.12
  6. Step 6: Final answer
    x = 12,660.55

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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.