Home / 36,081.28-49,770.24-21,943.84

Finding the Fourth Proportional to 36,081.28, 49,770.24 and 21,943.84

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Solution

The fourth proportional to 36,081.28, 49,770.24 and 21,943.84 is: 30,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.28 : 49,770.24 = 21,943.84 : x
  2. Step 2: Convert to fraction form
    36,081.28/49,770.24 = 21,943.84/x
  3. Step 3: Cross multiply
    36,081.28x = 49,770.24 × 21,943.84
  4. Step 4: Simplify right side
    36,081.28x = 1,092,150,183.32
  5. Step 5: Solve for x
    x = 1,092,150,183.32/36,081.28
  6. Step 6: Final answer
    x = 30,269.16

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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.