Home / 39,171.26-58,759.78-14,211.44

Finding the Fourth Proportional to 39,171.26, 58,759.78 and 14,211.44

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Solution

The fourth proportional to 39,171.26, 58,759.78 and 14,211.44 is: 21,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.26 : 58,759.78 = 14,211.44 : x
  2. Step 2: Convert to fraction form
    39,171.26/58,759.78 = 14,211.44/x
  3. Step 3: Cross multiply
    39,171.26x = 58,759.78 × 14,211.44
  4. Step 4: Simplify right side
    39,171.26x = 835,061,087.88
  5. Step 5: Solve for x
    x = 835,061,087.88/39,171.26
  6. Step 6: Final answer
    x = 21,318.21

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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.