Home / 57,121.20-85,706.10-27,523.80

Finding the Fourth Proportional to 57,121.20, 85,706.10 and 27,523.80

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Solution

The fourth proportional to 57,121.20, 85,706.10 and 27,523.80 is: 41,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.20 : 85,706.10 = 27,523.80 : x
  2. Step 2: Convert to fraction form
    57,121.20/85,706.10 = 27,523.80/x
  3. Step 3: Cross multiply
    57,121.20x = 85,706.10 × 27,523.80
  4. Step 4: Simplify right side
    57,121.20x = 2,358,957,555.18
  5. Step 5: Solve for x
    x = 2,358,957,555.18/57,121.20
  6. Step 6: Final answer
    x = 41,297.41

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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.