Home / 39,502.71-54,481.25-28,168.58

Finding the Fourth Proportional to 39,502.71, 54,481.25 and 28,168.58

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Solution

The fourth proportional to 39,502.71, 54,481.25 and 28,168.58 is: 38,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,502.71 : 54,481.25 = 28,168.58 : x
  2. Step 2: Convert to fraction form
    39,502.71/54,481.25 = 28,168.58/x
  3. Step 3: Cross multiply
    39,502.71x = 54,481.25 × 28,168.58
  4. Step 4: Simplify right side
    39,502.71x = 1,534,659,035.88
  5. Step 5: Solve for x
    x = 1,534,659,035.88/39,502.71
  6. Step 6: Final answer
    x = 38,849.46

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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.