Home / 39,238.75-54,147.72-22,242.75

Finding the Fourth Proportional to 39,238.75, 54,147.72 and 22,242.75

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Solution

The fourth proportional to 39,238.75, 54,147.72 and 22,242.75 is: 30,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.75 : 54,147.72 = 22,242.75 : x
  2. Step 2: Convert to fraction form
    39,238.75/54,147.72 = 22,242.75/x
  3. Step 3: Cross multiply
    39,238.75x = 54,147.72 × 22,242.75
  4. Step 4: Simplify right side
    39,238.75x = 1,204,394,199.03
  5. Step 5: Solve for x
    x = 1,204,394,199.03/39,238.75
  6. Step 6: Final answer
    x = 30,694.00

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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.