Home / 39,408.67-54,363.72-26,662.42

Finding the Fourth Proportional to 39,408.67, 54,363.72 and 26,662.42

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Solution

The fourth proportional to 39,408.67, 54,363.72 and 26,662.42 is: 36,780.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.67 : 54,363.72 = 26,662.42 : x
  2. Step 2: Convert to fraction form
    39,408.67/54,363.72 = 26,662.42/x
  3. Step 3: Cross multiply
    39,408.67x = 54,363.72 × 26,662.42
  4. Step 4: Simplify right side
    39,408.67x = 1,449,468,335.40
  5. Step 5: Solve for x
    x = 1,449,468,335.40/39,408.67
  6. Step 6: Final answer
    x = 36,780.44

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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.