Home / 57,747.52-79,757.20-38,851.84

Finding the Fourth Proportional to 57,747.52, 79,757.20 and 38,851.84

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Solution

The fourth proportional to 57,747.52, 79,757.20 and 38,851.84 is: 53,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,747.52 : 79,757.20 = 38,851.84 : x
  2. Step 2: Convert to fraction form
    57,747.52/79,757.20 = 38,851.84/x
  3. Step 3: Cross multiply
    57,747.52x = 79,757.20 × 38,851.84
  4. Step 4: Simplify right side
    57,747.52x = 3,098,713,973.25
  5. Step 5: Solve for x
    x = 3,098,713,973.25/57,747.52
  6. Step 6: Final answer
    x = 53,659.69

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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.