Home / 54,584.60-75,321.38-30,710.76

Finding the Fourth Proportional to 54,584.60, 75,321.38 and 30,710.76

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Solution

The fourth proportional to 54,584.60, 75,321.38 and 30,710.76 is: 42,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,584.60 : 75,321.38 = 30,710.76 : x
  2. Step 2: Convert to fraction form
    54,584.60/75,321.38 = 30,710.76/x
  3. Step 3: Cross multiply
    54,584.60x = 75,321.38 × 30,710.76
  4. Step 4: Simplify right side
    54,584.60x = 2,313,176,824.05
  5. Step 5: Solve for x
    x = 2,313,176,824.05/54,584.60
  6. Step 6: Final answer
    x = 42,377.83

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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.