Home / 48,454.78-72,682.20-15,177.70

Finding the Fourth Proportional to 48,454.78, 72,682.20 and 15,177.70

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Solution

The fourth proportional to 48,454.78, 72,682.20 and 15,177.70 is: 22,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,454.78 : 72,682.20 = 15,177.70 : x
  2. Step 2: Convert to fraction form
    48,454.78/72,682.20 = 15,177.70/x
  3. Step 3: Cross multiply
    48,454.78x = 72,682.20 × 15,177.70
  4. Step 4: Simplify right side
    48,454.78x = 1,103,148,626.94
  5. Step 5: Solve for x
    x = 1,103,148,626.94/48,454.78
  6. Step 6: Final answer
    x = 22,766.56

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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.