Home / 39,205.80-54,101.70-22,438.44

Finding the Fourth Proportional to 39,205.80, 54,101.70 and 22,438.44

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Solution

The fourth proportional to 39,205.80, 54,101.70 and 22,438.44 is: 30,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.80 : 54,101.70 = 22,438.44 : x
  2. Step 2: Convert to fraction form
    39,205.80/54,101.70 = 22,438.44/x
  3. Step 3: Cross multiply
    39,205.80x = 54,101.70 × 22,438.44
  4. Step 4: Simplify right side
    39,205.80x = 1,213,957,749.35
  5. Step 5: Solve for x
    x = 1,213,957,749.35/39,205.80
  6. Step 6: Final answer
    x = 30,963.73

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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.