Home / 33,138.78-49,706.94-14,418.82

Finding the Fourth Proportional to 33,138.78, 49,706.94 and 14,418.82

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Solution

The fourth proportional to 33,138.78, 49,706.94 and 14,418.82 is: 21,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.78 : 49,706.94 = 14,418.82 : x
  2. Step 2: Convert to fraction form
    33,138.78/49,706.94 = 14,418.82/x
  3. Step 3: Cross multiply
    33,138.78x = 49,706.94 × 14,418.82
  4. Step 4: Simplify right side
    33,138.78x = 716,715,296.34
  5. Step 5: Solve for x
    x = 716,715,296.34/33,138.78
  6. Step 6: Final answer
    x = 21,627.69

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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.