Home / 39,078.60-53,919.45-22,081.97

Finding the Fourth Proportional to 39,078.60, 53,919.45 and 22,081.97

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Solution

The fourth proportional to 39,078.60, 53,919.45 and 22,081.97 is: 30,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.60 : 53,919.45 = 22,081.97 : x
  2. Step 2: Convert to fraction form
    39,078.60/53,919.45 = 22,081.97/x
  3. Step 3: Cross multiply
    39,078.60x = 53,919.45 × 22,081.97
  4. Step 4: Simplify right side
    39,078.60x = 1,190,647,407.72
  5. Step 5: Solve for x
    x = 1,190,647,407.72/39,078.60
  6. Step 6: Final answer
    x = 30,468.02

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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.