Home / 39,603.97-54,657.42-22,610.78

Finding the Fourth Proportional to 39,603.97, 54,657.42 and 22,610.78

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Solution

The fourth proportional to 39,603.97, 54,657.42 and 22,610.78 is: 31,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,603.97 : 54,657.42 = 22,610.78 : x
  2. Step 2: Convert to fraction form
    39,603.97/54,657.42 = 22,610.78/x
  3. Step 3: Cross multiply
    39,603.97x = 54,657.42 × 22,610.78
  4. Step 4: Simplify right side
    39,603.97x = 1,235,846,745.88
  5. Step 5: Solve for x
    x = 1,235,846,745.88/39,603.97
  6. Step 6: Final answer
    x = 31,205.12

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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.