Home / 43,216.67-64,768.82-22,138.85

Finding the Fourth Proportional to 43,216.67, 64,768.82 and 22,138.85

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Solution

The fourth proportional to 43,216.67, 64,768.82 and 22,138.85 is: 33,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,216.67 : 64,768.82 = 22,138.85 : x
  2. Step 2: Convert to fraction form
    43,216.67/64,768.82 = 22,138.85/x
  3. Step 3: Cross multiply
    43,216.67x = 64,768.82 × 22,138.85
  4. Step 4: Simplify right side
    43,216.67x = 1,433,907,241.88
  5. Step 5: Solve for x
    x = 1,433,907,241.88/43,216.67
  6. Step 6: Final answer
    x = 33,179.49

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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.