Home / 48,789.43-73,175.64-13,720.75

Finding the Fourth Proportional to 48,789.43, 73,175.64 and 13,720.75

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Solution

The fourth proportional to 48,789.43, 73,175.64 and 13,720.75 is: 20,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,789.43 : 73,175.64 = 13,720.75 : x
  2. Step 2: Convert to fraction form
    48,789.43/73,175.64 = 13,720.75/x
  3. Step 3: Cross multiply
    48,789.43x = 73,175.64 × 13,720.75
  4. Step 4: Simplify right side
    48,789.43x = 1,004,024,662.53
  5. Step 5: Solve for x
    x = 1,004,024,662.53/48,789.43
  6. Step 6: Final answer
    x = 20,578.73

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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.