Home / 45,043.62-67,512.68-18,372.98

Finding the Fourth Proportional to 45,043.62, 67,512.68 and 18,372.98

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Solution

The fourth proportional to 45,043.62, 67,512.68 and 18,372.98 is: 27,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,043.62 : 67,512.68 = 18,372.98 : x
  2. Step 2: Convert to fraction form
    45,043.62/67,512.68 = 18,372.98/x
  3. Step 3: Cross multiply
    45,043.62x = 67,512.68 × 18,372.98
  4. Step 4: Simplify right side
    45,043.62x = 1,240,408,689.96
  5. Step 5: Solve for x
    x = 1,240,408,689.96/45,043.62
  6. Step 6: Final answer
    x = 27,537.94

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1.5x scale

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.