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Finding the Fourth Proportional to 29,242.46, 43,859.11 and 9,520.88

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Solution

The fourth proportional to 29,242.46, 43,859.11 and 9,520.88 is: 14,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,242.46 : 43,859.11 = 9,520.88 : x
  2. Step 2: Convert to fraction form
    29,242.46/43,859.11 = 9,520.88/x
  3. Step 3: Cross multiply
    29,242.46x = 43,859.11 × 9,520.88
  4. Step 4: Simplify right side
    29,242.46x = 417,577,494.81
  5. Step 5: Solve for x
    x = 417,577,494.81/29,242.46
  6. Step 6: Final answer
    x = 14,279.83

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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.