Home / 43,571.99-65,351.15-11,984.42

Finding the Fourth Proportional to 43,571.99, 65,351.15 and 11,984.42

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Solution

The fourth proportional to 43,571.99, 65,351.15 and 11,984.42 is: 17,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,571.99 : 65,351.15 = 11,984.42 : x
  2. Step 2: Convert to fraction form
    43,571.99/65,351.15 = 11,984.42/x
  3. Step 3: Cross multiply
    43,571.99x = 65,351.15 × 11,984.42
  4. Step 4: Simplify right side
    43,571.99x = 783,195,844.89
  5. Step 5: Solve for x
    x = 783,195,844.89/43,571.99
  6. Step 6: Final answer
    x = 17,974.75

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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.