Home / 39,081.33-53,890.20-38,261.25

Finding the Fourth Proportional to 39,081.33, 53,890.20 and 38,261.25

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Solution

The fourth proportional to 39,081.33, 53,890.20 and 38,261.25 is: 52,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.33 : 53,890.20 = 38,261.25 : x
  2. Step 2: Convert to fraction form
    39,081.33/53,890.20 = 38,261.25/x
  3. Step 3: Cross multiply
    39,081.33x = 53,890.20 × 38,261.25
  4. Step 4: Simplify right side
    39,081.33x = 2,061,906,414.75
  5. Step 5: Solve for x
    x = 2,061,906,414.75/39,081.33
  6. Step 6: Final answer
    x = 52,759.37

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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.