Home / 43,883.22-65,765.20-18,561.70

Finding the Fourth Proportional to 43,883.22, 65,765.20 and 18,561.70

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Solution

The fourth proportional to 43,883.22, 65,765.20 and 18,561.70 is: 27,817.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,883.22 : 65,765.20 = 18,561.70 : x
  2. Step 2: Convert to fraction form
    43,883.22/65,765.20 = 18,561.70/x
  3. Step 3: Cross multiply
    43,883.22x = 65,765.20 × 18,561.70
  4. Step 4: Simplify right side
    43,883.22x = 1,220,713,912.84
  5. Step 5: Solve for x
    x = 1,220,713,912.84/43,883.22
  6. Step 6: Final answer
    x = 27,817.33

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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.