Home / 47,571.20-71,308.20-27,839.60

Finding the Fourth Proportional to 47,571.20, 71,308.20 and 27,839.60

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Solution

The fourth proportional to 47,571.20, 71,308.20 and 27,839.60 is: 41,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,571.20 : 71,308.20 = 27,839.60 : x
  2. Step 2: Convert to fraction form
    47,571.20/71,308.20 = 27,839.60/x
  3. Step 3: Cross multiply
    47,571.20x = 71,308.20 × 27,839.60
  4. Step 4: Simplify right side
    47,571.20x = 1,985,191,764.72
  5. Step 5: Solve for x
    x = 1,985,191,764.72/47,571.20
  6. Step 6: Final answer
    x = 41,730.96

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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.