Home / 41,721.45-62,581.61-10,131.75

Finding the Fourth Proportional to 41,721.45, 62,581.61 and 10,131.75

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Solution

The fourth proportional to 41,721.45, 62,581.61 and 10,131.75 is: 15,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,721.45 : 62,581.61 = 10,131.75 : x
  2. Step 2: Convert to fraction form
    41,721.45/62,581.61 = 10,131.75/x
  3. Step 3: Cross multiply
    41,721.45x = 62,581.61 × 10,131.75
  4. Step 4: Simplify right side
    41,721.45x = 634,061,252.45
  5. Step 5: Solve for x
    x = 634,061,252.45/41,721.45
  6. Step 6: Final answer
    x = 15,197.49

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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.