Home / 43,034.85-64,554.21-13,453.29

Finding the Fourth Proportional to 43,034.85, 64,554.21 and 13,453.29

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Solution

The fourth proportional to 43,034.85, 64,554.21 and 13,453.29 is: 20,180.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,034.85 : 64,554.21 = 13,453.29 : x
  2. Step 2: Convert to fraction form
    43,034.85/64,554.21 = 13,453.29/x
  3. Step 3: Cross multiply
    43,034.85x = 64,554.21 × 13,453.29
  4. Step 4: Simplify right side
    43,034.85x = 868,466,507.85
  5. Step 5: Solve for x
    x = 868,466,507.85/43,034.85
  6. Step 6: Final answer
    x = 20,180.54

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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.