Home / 30,198.33-41,671.62-16,768.89

Finding the Fourth Proportional to 30,198.33, 41,671.62 and 16,768.89

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Solution

The fourth proportional to 30,198.33, 41,671.62 and 16,768.89 is: 23,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.33 : 41,671.62 = 16,768.89 : x
  2. Step 2: Convert to fraction form
    30,198.33/41,671.62 = 16,768.89/x
  3. Step 3: Cross multiply
    30,198.33x = 41,671.62 × 16,768.89
  4. Step 4: Simplify right side
    30,198.33x = 698,786,811.90
  5. Step 5: Solve for x
    x = 698,786,811.90/30,198.33
  6. Step 6: Final answer
    x = 23,139.92

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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.