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Finding the Fourth Proportional to 33,405.70, 50,108.55 and 28,221.70

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Solution

The fourth proportional to 33,405.70, 50,108.55 and 28,221.70 is: 42,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,405.70 : 50,108.55 = 28,221.70 : x
  2. Step 2: Convert to fraction form
    33,405.70/50,108.55 = 28,221.70/x
  3. Step 3: Cross multiply
    33,405.70x = 50,108.55 × 28,221.70
  4. Step 4: Simplify right side
    33,405.70x = 1,414,148,465.54
  5. Step 5: Solve for x
    x = 1,414,148,465.54/33,405.70
  6. Step 6: Final answer
    x = 42,332.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.