Home / 54,919.28-82,382.20-15,479.76

Finding the Fourth Proportional to 54,919.28, 82,382.20 and 15,479.76

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Solution

The fourth proportional to 54,919.28, 82,382.20 and 15,479.76 is: 23,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.28 : 82,382.20 = 15,479.76 : x
  2. Step 2: Convert to fraction form
    54,919.28/82,382.20 = 15,479.76/x
  3. Step 3: Cross multiply
    54,919.28x = 82,382.20 × 15,479.76
  4. Step 4: Simplify right side
    54,919.28x = 1,275,256,684.27
  5. Step 5: Solve for x
    x = 1,275,256,684.27/54,919.28
  6. Step 6: Final answer
    x = 23,220.56

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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.