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Finding the Fourth Proportional to 29,315.52, 43,979.44 and 9,592.54

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Solution

The fourth proportional to 29,315.52, 43,979.44 and 9,592.54 is: 14,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,315.52 : 43,979.44 = 9,592.54 : x
  2. Step 2: Convert to fraction form
    29,315.52/43,979.44 = 9,592.54/x
  3. Step 3: Cross multiply
    29,315.52x = 43,979.44 × 9,592.54
  4. Step 4: Simplify right side
    29,315.52x = 421,874,537.38
  5. Step 5: Solve for x
    x = 421,874,537.38/29,315.52
  6. Step 6: Final answer
    x = 14,390.83

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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.