Home / 40,109.43-55,351.89-22,205.67

Finding the Fourth Proportional to 40,109.43, 55,351.89 and 22,205.67

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Solution

The fourth proportional to 40,109.43, 55,351.89 and 22,205.67 is: 30,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.43 : 55,351.89 = 22,205.67 : x
  2. Step 2: Convert to fraction form
    40,109.43/55,351.89 = 22,205.67/x
  3. Step 3: Cross multiply
    40,109.43x = 55,351.89 × 22,205.67
  4. Step 4: Simplify right side
    40,109.43x = 1,229,125,803.22
  5. Step 5: Solve for x
    x = 1,229,125,803.22/40,109.43
  6. Step 6: Final answer
    x = 30,644.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.