Home / 36,187.96-49,940.79-20,272.54

Finding the Fourth Proportional to 36,187.96, 49,940.79 and 20,272.54

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Solution

The fourth proportional to 36,187.96, 49,940.79 and 20,272.54 is: 27,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.96 : 49,940.79 = 20,272.54 : x
  2. Step 2: Convert to fraction form
    36,187.96/49,940.79 = 20,272.54/x
  3. Step 3: Cross multiply
    36,187.96x = 49,940.79 × 20,272.54
  4. Step 4: Simplify right side
    36,187.96x = 1,012,426,413.20
  5. Step 5: Solve for x
    x = 1,012,426,413.20/36,187.96
  6. Step 6: Final answer
    x = 27,976.89

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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.