Home / 43,836.85-65,712.21-17,163.28

Finding the Fourth Proportional to 43,836.85, 65,712.21 and 17,163.28

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Solution

The fourth proportional to 43,836.85, 65,712.21 and 17,163.28 is: 25,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.85 : 65,712.21 = 17,163.28 : x
  2. Step 2: Convert to fraction form
    43,836.85/65,712.21 = 17,163.28/x
  3. Step 3: Cross multiply
    43,836.85x = 65,712.21 × 17,163.28
  4. Step 4: Simplify right side
    43,836.85x = 1,127,837,059.65
  5. Step 5: Solve for x
    x = 1,127,837,059.65/43,836.85
  6. Step 6: Final answer
    x = 25,728.06

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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.