Home / 36,077.43-49,786.69-20,161.87

Finding the Fourth Proportional to 36,077.43, 49,786.69 and 20,161.87

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Solution

The fourth proportional to 36,077.43, 49,786.69 and 20,161.87 is: 27,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.43 : 49,786.69 = 20,161.87 : x
  2. Step 2: Convert to fraction form
    36,077.43/49,786.69 = 20,161.87/x
  3. Step 3: Cross multiply
    36,077.43x = 49,786.69 × 20,161.87
  4. Step 4: Simplify right side
    36,077.43x = 1,003,792,771.51
  5. Step 5: Solve for x
    x = 1,003,792,771.51/36,077.43
  6. Step 6: Final answer
    x = 27,823.29

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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.