Home / 36,331.12-50,135.73-20,198.38

Finding the Fourth Proportional to 36,331.12, 50,135.73 and 20,198.38

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Solution

The fourth proportional to 36,331.12, 50,135.73 and 20,198.38 is: 27,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.12 : 50,135.73 = 20,198.38 : x
  2. Step 2: Convert to fraction form
    36,331.12/50,135.73 = 20,198.38/x
  3. Step 3: Cross multiply
    36,331.12x = 50,135.73 × 20,198.38
  4. Step 4: Simplify right side
    36,331.12x = 1,012,660,526.12
  5. Step 5: Solve for x
    x = 1,012,660,526.12/36,331.12
  6. Step 6: Final answer
    x = 27,873.09

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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.