Home / 33,121.89-49,687.08-12,058.68

Finding the Fourth Proportional to 33,121.89, 49,687.08 and 12,058.68

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Solution

The fourth proportional to 33,121.89, 49,687.08 and 12,058.68 is: 18,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.89 : 49,687.08 = 12,058.68 : x
  2. Step 2: Convert to fraction form
    33,121.89/49,687.08 = 12,058.68/x
  3. Step 3: Cross multiply
    33,121.89x = 49,687.08 × 12,058.68
  4. Step 4: Simplify right side
    33,121.89x = 599,160,597.85
  5. Step 5: Solve for x
    x = 599,160,597.85/33,121.89
  6. Step 6: Final answer
    x = 18,089.57

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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.