Home / 43,883.22-65,765.17-18,561.67

Finding the Fourth Proportional to 43,883.22, 65,765.17 and 18,561.67

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Solution

The fourth proportional to 43,883.22, 65,765.17 and 18,561.67 is: 27,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,883.22 : 65,765.17 = 18,561.67 : x
  2. Step 2: Convert to fraction form
    43,883.22/65,765.17 = 18,561.67/x
  3. Step 3: Cross multiply
    43,883.22x = 65,765.17 × 18,561.67
  4. Step 4: Simplify right side
    43,883.22x = 1,220,711,507.34
  5. Step 5: Solve for x
    x = 1,220,711,507.34/43,883.22
  6. Step 6: Final answer
    x = 27,817.27

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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.