Home / 36,003.68-49,693.97-21,868.37

Finding the Fourth Proportional to 36,003.68, 49,693.97 and 21,868.37

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Solution

The fourth proportional to 36,003.68, 49,693.97 and 21,868.37 is: 30,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,003.68 : 49,693.97 = 21,868.37 : x
  2. Step 2: Convert to fraction form
    36,003.68/49,693.97 = 21,868.37/x
  3. Step 3: Cross multiply
    36,003.68x = 49,693.97 × 21,868.37
  4. Step 4: Simplify right side
    36,003.68x = 1,086,726,122.73
  5. Step 5: Solve for x
    x = 1,086,726,122.73/36,003.68
  6. Step 6: Final answer
    x = 30,183.75

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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.