Home / 36,120.75-49,843.92-20,202.12

Finding the Fourth Proportional to 36,120.75, 49,843.92 and 20,202.12

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Solution

The fourth proportional to 36,120.75, 49,843.92 and 20,202.12 is: 27,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120.75 : 49,843.92 = 20,202.12 : x
  2. Step 2: Convert to fraction form
    36,120.75/49,843.92 = 20,202.12/x
  3. Step 3: Cross multiply
    36,120.75x = 49,843.92 × 20,202.12
  4. Step 4: Simplify right side
    36,120.75x = 1,006,952,853.11
  5. Step 5: Solve for x
    x = 1,006,952,853.11/36,120.75
  6. Step 6: Final answer
    x = 27,877.41

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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.