Home / 45,139.11-67,667.20-15,549.91

Finding the Fourth Proportional to 45,139.11, 67,667.20 and 15,549.91

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Solution

The fourth proportional to 45,139.11, 67,667.20 and 15,549.91 is: 23,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139.11 : 67,667.20 = 15,549.91 : x
  2. Step 2: Convert to fraction form
    45,139.11/67,667.20 = 15,549.91/x
  3. Step 3: Cross multiply
    45,139.11x = 67,667.20 × 15,549.91
  4. Step 4: Simplify right side
    45,139.11x = 1,052,218,869.95
  5. Step 5: Solve for x
    x = 1,052,218,869.95/45,139.11
  6. Step 6: Final answer
    x = 23,310.58

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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.