Home / 33,187.07-49,781.10-12,131.39

Finding the Fourth Proportional to 33,187.07, 49,781.10 and 12,131.39

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Solution

The fourth proportional to 33,187.07, 49,781.10 and 12,131.39 is: 18,197.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.07 : 49,781.10 = 12,131.39 : x
  2. Step 2: Convert to fraction form
    33,187.07/49,781.10 = 12,131.39/x
  3. Step 3: Cross multiply
    33,187.07x = 49,781.10 × 12,131.39
  4. Step 4: Simplify right side
    33,187.07x = 603,913,689.82
  5. Step 5: Solve for x
    x = 603,913,689.82/33,187.07
  6. Step 6: Final answer
    x = 18,197.26

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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.