Home / 36,122.58-49,850.10-20,209.68

Finding the Fourth Proportional to 36,122.58, 49,850.10 and 20,209.68

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Solution

The fourth proportional to 36,122.58, 49,850.10 and 20,209.68 is: 27,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,122.58 : 49,850.10 = 20,209.68 : x
  2. Step 2: Convert to fraction form
    36,122.58/49,850.10 = 20,209.68/x
  3. Step 3: Cross multiply
    36,122.58x = 49,850.10 × 20,209.68
  4. Step 4: Simplify right side
    36,122.58x = 1,007,454,568.97
  5. Step 5: Solve for x
    x = 1,007,454,568.97/36,122.58
  6. Step 6: Final answer
    x = 27,889.88

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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.