Home / 48,781.40-73,175.30-13,722.20

Finding the Fourth Proportional to 48,781.40, 73,175.30 and 13,722.20

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Solution

The fourth proportional to 48,781.40, 73,175.30 and 13,722.20 is: 20,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.40 : 73,175.30 = 13,722.20 : x
  2. Step 2: Convert to fraction form
    48,781.40/73,175.30 = 13,722.20/x
  3. Step 3: Cross multiply
    48,781.40x = 73,175.30 × 13,722.20
  4. Step 4: Simplify right side
    48,781.40x = 1,004,126,101.66
  5. Step 5: Solve for x
    x = 1,004,126,101.66/48,781.40
  6. Step 6: Final answer
    x = 20,584.20

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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.