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Finding the Fourth Proportional to 29,165.22, 43,754.78 and 9,443.78

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Solution

The fourth proportional to 29,165.22, 43,754.78 and 9,443.78 is: 14,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165.22 : 43,754.78 = 9,443.78 : x
  2. Step 2: Convert to fraction form
    29,165.22/43,754.78 = 9,443.78/x
  3. Step 3: Cross multiply
    29,165.22x = 43,754.78 × 9,443.78
  4. Step 4: Simplify right side
    29,165.22x = 413,210,516.27
  5. Step 5: Solve for x
    x = 413,210,516.27/29,165.22
  6. Step 6: Final answer
    x = 14,167.92

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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.