Home / 29,871.87-41,218.36-17,122.71

Finding the Fourth Proportional to 29,871.87, 41,218.36 and 17,122.71

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Solution

The fourth proportional to 29,871.87, 41,218.36 and 17,122.71 is: 23,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,871.87 : 41,218.36 = 17,122.71 : x
  2. Step 2: Convert to fraction form
    29,871.87/41,218.36 = 17,122.71/x
  3. Step 3: Cross multiply
    29,871.87x = 41,218.36 × 17,122.71
  4. Step 4: Simplify right side
    29,871.87x = 705,770,024.96
  5. Step 5: Solve for x
    x = 705,770,024.96/29,871.87
  6. Step 6: Final answer
    x = 23,626.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.