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Finding the Fourth Proportional to 29,815.62, 44,729.91 and 9,040.74

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Solution

The fourth proportional to 29,815.62, 44,729.91 and 9,040.74 is: 13,563.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.62 : 44,729.91 = 9,040.74 : x
  2. Step 2: Convert to fraction form
    29,815.62/44,729.91 = 9,040.74/x
  3. Step 3: Cross multiply
    29,815.62x = 44,729.91 × 9,040.74
  4. Step 4: Simplify right side
    29,815.62x = 404,391,486.53
  5. Step 5: Solve for x
    x = 404,391,486.53/29,815.62
  6. Step 6: Final answer
    x = 13,563.07

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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.