Home / 39,906.79-55,106.97-38,016.25

Finding the Fourth Proportional to 39,906.79, 55,106.97 and 38,016.25

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Solution

The fourth proportional to 39,906.79, 55,106.97 and 38,016.25 is: 52,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,906.79 : 55,106.97 = 38,016.25 : x
  2. Step 2: Convert to fraction form
    39,906.79/55,106.97 = 38,016.25/x
  3. Step 3: Cross multiply
    39,906.79x = 55,106.97 × 38,016.25
  4. Step 4: Simplify right side
    39,906.79x = 2,094,960,067.93
  5. Step 5: Solve for x
    x = 2,094,960,067.93/39,906.79
  6. Step 6: Final answer
    x = 52,496.33

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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.