Home / 54,508.21-75,217.89-30,634.54

Finding the Fourth Proportional to 54,508.21, 75,217.89 and 30,634.54

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Solution

The fourth proportional to 54,508.21, 75,217.89 and 30,634.54 is: 42,273.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,508.21 : 75,217.89 = 30,634.54 : x
  2. Step 2: Convert to fraction form
    54,508.21/75,217.89 = 30,634.54/x
  3. Step 3: Cross multiply
    54,508.21x = 75,217.89 × 30,634.54
  4. Step 4: Simplify right side
    54,508.21x = 2,304,265,459.92
  5. Step 5: Solve for x
    x = 2,304,265,459.92/54,508.21
  6. Step 6: Final answer
    x = 42,273.73

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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.