Home / 54,517.78-75,235.48-30,320.74

Finding the Fourth Proportional to 54,517.78, 75,235.48 and 30,320.74

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Solution

The fourth proportional to 54,517.78, 75,235.48 and 30,320.74 is: 41,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,517.78 : 75,235.48 = 30,320.74 : x
  2. Step 2: Convert to fraction form
    54,517.78/75,235.48 = 30,320.74/x
  3. Step 3: Cross multiply
    54,517.78x = 75,235.48 × 30,320.74
  4. Step 4: Simplify right side
    54,517.78x = 2,281,195,427.86
  5. Step 5: Solve for x
    x = 2,281,195,427.86/54,517.78
  6. Step 6: Final answer
    x = 41,843.15

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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.