Home / 50,621.97-75,879-38,103.29

Finding the Fourth Proportional to 50,621.97, 75,879 and 38,103.29

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Solution

The fourth proportional to 50,621.97, 75,879 and 38,103.29 is: 57,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,621.97 : 75,879 = 38,103.29 : x
  2. Step 2: Convert to fraction form
    50,621.97/75,879 = 38,103.29/x
  3. Step 3: Cross multiply
    50,621.97x = 75,879 × 38,103.29
  4. Step 4: Simplify right side
    50,621.97x = 2,891,239,162.52
  5. Step 5: Solve for x
    x = 2,891,239,162.52/50,621.97
  6. Step 6: Final answer
    x = 57,114.32

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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.