Home / 31,880.28-43,992.18-18,452.52

Finding the Fourth Proportional to 31,880.28, 43,992.18 and 18,452.52

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Solution

The fourth proportional to 31,880.28, 43,992.18 and 18,452.52 is: 25,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,880.28 : 43,992.18 = 18,452.52 : x
  2. Step 2: Convert to fraction form
    31,880.28/43,992.18 = 18,452.52/x
  3. Step 3: Cross multiply
    31,880.28x = 43,992.18 × 18,452.52
  4. Step 4: Simplify right side
    31,880.28x = 811,766,581.29
  5. Step 5: Solve for x
    x = 811,766,581.29/31,880.28
  6. Step 6: Final answer
    x = 25,462.97

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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.