Home / 39,109.91-54,016.23-26,512.79

Finding the Fourth Proportional to 39,109.91, 54,016.23 and 26,512.79

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Solution

The fourth proportional to 39,109.91, 54,016.23 and 26,512.79 is: 36,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,109.91 : 54,016.23 = 26,512.79 : x
  2. Step 2: Convert to fraction form
    39,109.91/54,016.23 = 26,512.79/x
  3. Step 3: Cross multiply
    39,109.91x = 54,016.23 × 26,512.79
  4. Step 4: Simplify right side
    39,109.91x = 1,432,120,962.58
  5. Step 5: Solve for x
    x = 1,432,120,962.58/39,109.91
  6. Step 6: Final answer
    x = 36,617.85

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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.