Home / 39,383.08-54,351.88-22,392.66

Finding the Fourth Proportional to 39,383.08, 54,351.88 and 22,392.66

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Solution

The fourth proportional to 39,383.08, 54,351.88 and 22,392.66 is: 30,903.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,383.08 : 54,351.88 = 22,392.66 : x
  2. Step 2: Convert to fraction form
    39,383.08/54,351.88 = 22,392.66/x
  3. Step 3: Cross multiply
    39,383.08x = 54,351.88 × 22,392.66
  4. Step 4: Simplify right side
    39,383.08x = 1,217,083,169.20
  5. Step 5: Solve for x
    x = 1,217,083,169.20/39,383.08
  6. Step 6: Final answer
    x = 30,903.71

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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.