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Finding the Fourth Proportional to 44,747.64, 67,119.90 and 11,467.98

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Solution

The fourth proportional to 44,747.64, 67,119.90 and 11,467.98 is: 17,201.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,747.64 : 67,119.90 = 11,467.98 : x
  2. Step 2: Convert to fraction form
    44,747.64/67,119.90 = 11,467.98/x
  3. Step 3: Cross multiply
    44,747.64x = 67,119.90 × 11,467.98
  4. Step 4: Simplify right side
    44,747.64x = 769,729,670.80
  5. Step 5: Solve for x
    x = 769,729,670.80/44,747.64
  6. Step 6: Final answer
    x = 17,201.57

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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.