Home / 39,481.14-54,486.57-22,257.75

Finding the Fourth Proportional to 39,481.14, 54,486.57 and 22,257.75

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Solution

The fourth proportional to 39,481.14, 54,486.57 and 22,257.75 is: 30,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.14 : 54,486.57 = 22,257.75 : x
  2. Step 2: Convert to fraction form
    39,481.14/54,486.57 = 22,257.75/x
  3. Step 3: Cross multiply
    39,481.14x = 54,486.57 × 22,257.75
  4. Step 4: Simplify right side
    39,481.14x = 1,212,748,453.42
  5. Step 5: Solve for x
    x = 1,212,748,453.42/39,481.14
  6. Step 6: Final answer
    x = 30,717.16

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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.