Home / 45,043.27-67,512.11-18,372.61

Finding the Fourth Proportional to 45,043.27, 67,512.11 and 18,372.61

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Solution

The fourth proportional to 45,043.27, 67,512.11 and 18,372.61 is: 27,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.27 : 67,512.11 = 18,372.61 : x
  2. Step 2: Convert to fraction form
    45,043.27/67,512.11 = 18,372.61/x
  3. Step 3: Cross multiply
    45,043.27x = 67,512.11 × 18,372.61
  4. Step 4: Simplify right side
    45,043.27x = 1,240,373,667.31
  5. Step 5: Solve for x
    x = 1,240,373,667.31/45,043.27
  6. Step 6: Final answer
    x = 27,537.38

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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.