Home / 53,231.28-79,854.20-18,161.52

Finding the Fourth Proportional to 53,231.28, 79,854.20 and 18,161.52

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Solution

The fourth proportional to 53,231.28, 79,854.20 and 18,161.52 is: 27,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.28 : 79,854.20 = 18,161.52 : x
  2. Step 2: Convert to fraction form
    53,231.28/79,854.20 = 18,161.52/x
  3. Step 3: Cross multiply
    53,231.28x = 79,854.20 × 18,161.52
  4. Step 4: Simplify right side
    53,231.28x = 1,450,273,650.38
  5. Step 5: Solve for x
    x = 1,450,273,650.38/53,231.28
  6. Step 6: Final answer
    x = 27,244.76

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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.