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Finding the Fourth Proportional to 33,408.78, 46,108 and 19,262.13

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Solution

The fourth proportional to 33,408.78, 46,108 and 19,262.13 is: 26,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,408.78 : 46,108 = 19,262.13 : x
  2. Step 2: Convert to fraction form
    33,408.78/46,108 = 19,262.13/x
  3. Step 3: Cross multiply
    33,408.78x = 46,108 × 19,262.13
  4. Step 4: Simplify right side
    33,408.78x = 888,138,290.04
  5. Step 5: Solve for x
    x = 888,138,290.04/33,408.78
  6. Step 6: Final answer
    x = 26,583.98

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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.