Home / 54,016.25-74,534.99-30,138.30

Finding the Fourth Proportional to 54,016.25, 74,534.99 and 30,138.30

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Solution

The fourth proportional to 54,016.25, 74,534.99 and 30,138.30 is: 41,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,016.25 : 74,534.99 = 30,138.30 : x
  2. Step 2: Convert to fraction form
    54,016.25/74,534.99 = 30,138.30/x
  3. Step 3: Cross multiply
    54,016.25x = 74,534.99 × 30,138.30
  4. Step 4: Simplify right side
    54,016.25x = 2,246,357,738.43
  5. Step 5: Solve for x
    x = 2,246,357,738.43/54,016.25
  6. Step 6: Final answer
    x = 41,586.71

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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.