Home / 36,131.80-49,857.48-20,210.44

Finding the Fourth Proportional to 36,131.80, 49,857.48 and 20,210.44

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Solution

The fourth proportional to 36,131.80, 49,857.48 and 20,210.44 is: 27,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.80 : 49,857.48 = 20,210.44 : x
  2. Step 2: Convert to fraction form
    36,131.80/49,857.48 = 20,210.44/x
  3. Step 3: Cross multiply
    36,131.80x = 49,857.48 × 20,210.44
  4. Step 4: Simplify right side
    36,131.80x = 1,007,641,608.09
  5. Step 5: Solve for x
    x = 1,007,641,608.09/36,131.80
  6. Step 6: Final answer
    x = 27,887.94

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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.