Home / 33,730.80-50,591.42-21,212.66

Finding the Fourth Proportional to 33,730.80, 50,591.42 and 21,212.66

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Solution

The fourth proportional to 33,730.80, 50,591.42 and 21,212.66 is: 31,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,730.80 : 50,591.42 = 21,212.66 : x
  2. Step 2: Convert to fraction form
    33,730.80/50,591.42 = 21,212.66/x
  3. Step 3: Cross multiply
    33,730.80x = 50,591.42 × 21,212.66
  4. Step 4: Simplify right side
    33,730.80x = 1,073,178,591.38
  5. Step 5: Solve for x
    x = 1,073,178,591.38/33,730.80
  6. Step 6: Final answer
    x = 31,815.98

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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.