Home / 47,987.76-71,845.92-25,447.08

Finding the Fourth Proportional to 47,987.76, 71,845.92 and 25,447.08

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Solution

The fourth proportional to 47,987.76, 71,845.92 and 25,447.08 is: 38,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,987.76 : 71,845.92 = 25,447.08 : x
  2. Step 2: Convert to fraction form
    47,987.76/71,845.92 = 25,447.08/x
  3. Step 3: Cross multiply
    47,987.76x = 71,845.92 × 25,447.08
  4. Step 4: Simplify right side
    47,987.76x = 1,828,268,873.91
  5. Step 5: Solve for x
    x = 1,828,268,873.91/47,987.76
  6. Step 6: Final answer
    x = 38,098.65

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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.