Home / 50,804.82-76,194.92-21,206.61

Finding the Fourth Proportional to 50,804.82, 76,194.92 and 21,206.61

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Solution

The fourth proportional to 50,804.82, 76,194.92 and 21,206.61 is: 31,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,804.82 : 76,194.92 = 21,206.61 : x
  2. Step 2: Convert to fraction form
    50,804.82/76,194.92 = 21,206.61/x
  3. Step 3: Cross multiply
    50,804.82x = 76,194.92 × 21,206.61
  4. Step 4: Simplify right side
    50,804.82x = 1,615,836,005.44
  5. Step 5: Solve for x
    x = 1,615,836,005.44/50,804.82
  6. Step 6: Final answer
    x = 31,804.78

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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.