Home / 48,556.48-72,863.04-20,474.80

Finding the Fourth Proportional to 48,556.48, 72,863.04 and 20,474.80

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Solution

The fourth proportional to 48,556.48, 72,863.04 and 20,474.80 is: 30,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,556.48 : 72,863.04 = 20,474.80 : x
  2. Step 2: Convert to fraction form
    48,556.48/72,863.04 = 20,474.80/x
  3. Step 3: Cross multiply
    48,556.48x = 72,863.04 × 20,474.80
  4. Step 4: Simplify right side
    48,556.48x = 1,491,856,171.39
  5. Step 5: Solve for x
    x = 1,491,856,171.39/48,556.48
  6. Step 6: Final answer
    x = 30,724.14

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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.