Home / 39,408.54-54,383.31-22,641.54

Finding the Fourth Proportional to 39,408.54, 54,383.31 and 22,641.54

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Solution

The fourth proportional to 39,408.54, 54,383.31 and 22,641.54 is: 31,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,408.54 : 54,383.31 = 22,641.54 : x
  2. Step 2: Convert to fraction form
    39,408.54/54,383.31 = 22,641.54/x
  3. Step 3: Cross multiply
    39,408.54x = 54,383.31 × 22,641.54
  4. Step 4: Simplify right side
    39,408.54x = 1,231,321,888.70
  5. Step 5: Solve for x
    x = 1,231,321,888.70/39,408.54
  6. Step 6: Final answer
    x = 31,245.05

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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.