Home / 54,620.13-75,377.19-30,747.66

Finding the Fourth Proportional to 54,620.13, 75,377.19 and 30,747.66

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Solution

The fourth proportional to 54,620.13, 75,377.19 and 30,747.66 is: 42,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.13 : 75,377.19 = 30,747.66 : x
  2. Step 2: Convert to fraction form
    54,620.13/75,377.19 = 30,747.66/x
  3. Step 3: Cross multiply
    54,620.13x = 75,377.19 × 30,747.66
  4. Step 4: Simplify right side
    54,620.13x = 2,317,672,209.88
  5. Step 5: Solve for x
    x = 2,317,672,209.88/54,620.13
  6. Step 6: Final answer
    x = 42,432.56

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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.