Home / 36,219.56-54,329.38-20,604.38

Finding the Fourth Proportional to 36,219.56, 54,329.38 and 20,604.38

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Solution

The fourth proportional to 36,219.56, 54,329.38 and 20,604.38 is: 30,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.56 : 54,329.38 = 20,604.38 : x
  2. Step 2: Convert to fraction form
    36,219.56/54,329.38 = 20,604.38/x
  3. Step 3: Cross multiply
    36,219.56x = 54,329.38 × 20,604.38
  4. Step 4: Simplify right side
    36,219.56x = 1,119,422,867.53
  5. Step 5: Solve for x
    x = 1,119,422,867.53/36,219.56
  6. Step 6: Final answer
    x = 30,906.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.