Home / 36,121.16-49,847.38-20,205.60

Finding the Fourth Proportional to 36,121.16, 49,847.38 and 20,205.60

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Solution

The fourth proportional to 36,121.16, 49,847.38 and 20,205.60 is: 27,883.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,121.16 : 49,847.38 = 20,205.60 : x
  2. Step 2: Convert to fraction form
    36,121.16/49,847.38 = 20,205.60/x
  3. Step 3: Cross multiply
    36,121.16x = 49,847.38 × 20,205.60
  4. Step 4: Simplify right side
    36,121.16x = 1,007,196,170.81
  5. Step 5: Solve for x
    x = 1,007,196,170.81/36,121.16
  6. Step 6: Final answer
    x = 27,883.83

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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.