Home / 48,449.50-72,665.85-13,379.74

Finding the Fourth Proportional to 48,449.50, 72,665.85 and 13,379.74

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Solution

The fourth proportional to 48,449.50, 72,665.85 and 13,379.74 is: 20,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.50 : 72,665.85 = 13,379.74 : x
  2. Step 2: Convert to fraction form
    48,449.50/72,665.85 = 13,379.74/x
  3. Step 3: Cross multiply
    48,449.50x = 72,665.85 × 13,379.74
  4. Step 4: Simplify right side
    48,449.50x = 972,250,179.88
  5. Step 5: Solve for x
    x = 972,250,179.88/48,449.50
  6. Step 6: Final answer
    x = 20,067.29

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1.5x scale

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.