Home / 54,514.11-75,231.60-30,640.71

Finding the Fourth Proportional to 54,514.11, 75,231.60 and 30,640.71

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Solution

The fourth proportional to 54,514.11, 75,231.60 and 30,640.71 is: 42,285.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,514.11 : 75,231.60 = 30,640.71 : x
  2. Step 2: Convert to fraction form
    54,514.11/75,231.60 = 30,640.71/x
  3. Step 3: Cross multiply
    54,514.11x = 75,231.60 × 30,640.71
  4. Step 4: Simplify right side
    54,514.11x = 2,305,149,185.68
  5. Step 5: Solve for x
    x = 2,305,149,185.68/54,514.11
  6. Step 6: Final answer
    x = 42,285.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.