Home / 36,238.85-50,007.92-20,105.99

Finding the Fourth Proportional to 36,238.85, 50,007.92 and 20,105.99

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Solution

The fourth proportional to 36,238.85, 50,007.92 and 20,105.99 is: 27,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,238.85 : 50,007.92 = 20,105.99 : x
  2. Step 2: Convert to fraction form
    36,238.85/50,007.92 = 20,105.99/x
  3. Step 3: Cross multiply
    36,238.85x = 50,007.92 × 20,105.99
  4. Step 4: Simplify right side
    36,238.85x = 1,005,458,651.80
  5. Step 5: Solve for x
    x = 1,005,458,651.80/36,238.85
  6. Step 6: Final answer
    x = 27,745.33

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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.