Home / 30,124-41,571.12-16,876

Finding the Fourth Proportional to 30,124, 41,571.12 and 16,876

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Solution

The fourth proportional to 30,124, 41,571.12 and 16,876 is: 23,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124 : 41,571.12 = 16,876 : x
  2. Step 2: Convert to fraction form
    30,124/41,571.12 = 16,876/x
  3. Step 3: Cross multiply
    30,124x = 41,571.12 × 16,876
  4. Step 4: Simplify right side
    30,124x = 701,554,221.12
  5. Step 5: Solve for x
    x = 701,554,221.12/30,124
  6. Step 6: Final answer
    x = 23,288.88

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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.