Home / 41,240.20-61,856.70-13,538.20

Finding the Fourth Proportional to 41,240.20, 61,856.70 and 13,538.20

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Solution

The fourth proportional to 41,240.20, 61,856.70 and 13,538.20 is: 20,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,240.20 : 61,856.70 = 13,538.20 : x
  2. Step 2: Convert to fraction form
    41,240.20/61,856.70 = 13,538.20/x
  3. Step 3: Cross multiply
    41,240.20x = 61,856.70 × 13,538.20
  4. Step 4: Simplify right side
    41,240.20x = 837,428,375.94
  5. Step 5: Solve for x
    x = 837,428,375.94/41,240.20
  6. Step 6: Final answer
    x = 20,306.12

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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.