Home / 31,842.41-43,898.61-25,403.88

Finding the Fourth Proportional to 31,842.41, 43,898.61 and 25,403.88

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Solution

The fourth proportional to 31,842.41, 43,898.61 and 25,403.88 is: 35,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,842.41 : 43,898.61 = 25,403.88 : x
  2. Step 2: Convert to fraction form
    31,842.41/43,898.61 = 25,403.88/x
  3. Step 3: Cross multiply
    31,842.41x = 43,898.61 × 25,403.88
  4. Step 4: Simplify right side
    31,842.41x = 1,115,195,020.61
  5. Step 5: Solve for x
    x = 1,115,195,020.61/31,842.41
  6. Step 6: Final answer
    x = 35,022.32

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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.