Home / 43,201.31-64,751.06-19,481.09

Finding the Fourth Proportional to 43,201.31, 64,751.06 and 19,481.09

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Solution

The fourth proportional to 43,201.31, 64,751.06 and 19,481.09 is: 29,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,201.31 : 64,751.06 = 19,481.09 : x
  2. Step 2: Convert to fraction form
    43,201.31/64,751.06 = 19,481.09/x
  3. Step 3: Cross multiply
    43,201.31x = 64,751.06 × 19,481.09
  4. Step 4: Simplify right side
    43,201.31x = 1,261,420,806.29
  5. Step 5: Solve for x
    x = 1,261,420,806.29/43,201.31
  6. Step 6: Final answer
    x = 29,198.67

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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.