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Finding the Fourth Proportional to 29,165.28, 43,748.82 and 9,443.94

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Solution

The fourth proportional to 29,165.28, 43,748.82 and 9,443.94 is: 14,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,165.28 : 43,748.82 = 9,443.94 : x
  2. Step 2: Convert to fraction form
    29,165.28/43,748.82 = 9,443.94/x
  3. Step 3: Cross multiply
    29,165.28x = 43,748.82 × 9,443.94
  4. Step 4: Simplify right side
    29,165.28x = 413,161,231.15
  5. Step 5: Solve for x
    x = 413,161,231.15/29,165.28
  6. Step 6: Final answer
    x = 14,166.20

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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.