Home / 43,227.40-64,821.66-16,918.60

Finding the Fourth Proportional to 43,227.40, 64,821.66 and 16,918.60

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Solution

The fourth proportional to 43,227.40, 64,821.66 and 16,918.60 is: 25,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,227.40 : 64,821.66 = 16,918.60 : x
  2. Step 2: Convert to fraction form
    43,227.40/64,821.66 = 16,918.60/x
  3. Step 3: Cross multiply
    43,227.40x = 64,821.66 × 16,918.60
  4. Step 4: Simplify right side
    43,227.40x = 1,096,691,736.88
  5. Step 5: Solve for x
    x = 1,096,691,736.88/43,227.40
  6. Step 6: Final answer
    x = 25,370.29

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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.