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Finding the Fourth Proportional to 44,871.84, 67,249.44 and 44,172

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Solution

The fourth proportional to 44,871.84, 67,249.44 and 44,172 is: 66,200.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,871.84 : 67,249.44 = 44,172 : x
  2. Step 2: Convert to fraction form
    44,871.84/67,249.44 = 44,172/x
  3. Step 3: Cross multiply
    44,871.84x = 67,249.44 × 44,172
  4. Step 4: Simplify right side
    44,871.84x = 2,970,542,263.68
  5. Step 5: Solve for x
    x = 2,970,542,263.68/44,871.84
  6. Step 6: Final answer
    x = 66,200.59

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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.