Home / 36,072.29-49,781.66-21,736.62

Finding the Fourth Proportional to 36,072.29, 49,781.66 and 21,736.62

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Solution

The fourth proportional to 36,072.29, 49,781.66 and 21,736.62 is: 29,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.29 : 49,781.66 = 21,736.62 : x
  2. Step 2: Convert to fraction form
    36,072.29/49,781.66 = 21,736.62/x
  3. Step 3: Cross multiply
    36,072.29x = 49,781.66 × 21,736.62
  4. Step 4: Simplify right side
    36,072.29x = 1,082,084,917.71
  5. Step 5: Solve for x
    x = 1,082,084,917.71/36,072.29
  6. Step 6: Final answer
    x = 29,997.68

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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.