Home / 54,481.36-75,185.42-30,609.57

Finding the Fourth Proportional to 54,481.36, 75,185.42 and 30,609.57

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Solution

The fourth proportional to 54,481.36, 75,185.42 and 30,609.57 is: 42,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.36 : 75,185.42 = 30,609.57 : x
  2. Step 2: Convert to fraction form
    54,481.36/75,185.42 = 30,609.57/x
  3. Step 3: Cross multiply
    54,481.36x = 75,185.42 × 30,609.57
  4. Step 4: Simplify right side
    54,481.36x = 2,301,393,293.91
  5. Step 5: Solve for x
    x = 2,301,393,293.91/54,481.36
  6. Step 6: Final answer
    x = 42,241.85

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Double scale
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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.