Home / 29,233.20-43,857.08-8,456.70

Finding the Fourth Proportional to 29,233.20, 43,857.08 and 8,456.70

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Solution

The fourth proportional to 29,233.20, 43,857.08 and 8,456.70 is: 12,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,233.20 : 43,857.08 = 8,456.70 : x
  2. Step 2: Convert to fraction form
    29,233.20/43,857.08 = 8,456.70/x
  3. Step 3: Cross multiply
    29,233.20x = 43,857.08 × 8,456.70
  4. Step 4: Simplify right side
    29,233.20x = 370,886,168.44
  5. Step 5: Solve for x
    x = 370,886,168.44/29,233.20
  6. Step 6: Final answer
    x = 12,687.16

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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.