Home / 39,221.20-58,745.40-34,843.60

Finding the Fourth Proportional to 39,221.20, 58,745.40 and 34,843.60

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Solution

The fourth proportional to 39,221.20, 58,745.40 and 34,843.60 is: 52,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.20 : 58,745.40 = 34,843.60 : x
  2. Step 2: Convert to fraction form
    39,221.20/58,745.40 = 34,843.60/x
  3. Step 3: Cross multiply
    39,221.20x = 58,745.40 × 34,843.60
  4. Step 4: Simplify right side
    39,221.20x = 2,046,901,219.44
  5. Step 5: Solve for x
    x = 2,046,901,219.44/39,221.20
  6. Step 6: Final answer
    x = 52,188.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.