Home / 36,121.17-49,847.22-20,205.62

Finding the Fourth Proportional to 36,121.17, 49,847.22 and 20,205.62

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Solution

The fourth proportional to 36,121.17, 49,847.22 and 20,205.62 is: 27,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.17 : 49,847.22 = 20,205.62 : x
  2. Step 2: Convert to fraction form
    36,121.17/49,847.22 = 20,205.62/x
  3. Step 3: Cross multiply
    36,121.17x = 49,847.22 × 20,205.62
  4. Step 4: Simplify right side
    36,121.17x = 1,007,193,736.14
  5. Step 5: Solve for x
    x = 1,007,193,736.14/36,121.17
  6. Step 6: Final answer
    x = 27,883.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.