Home / 33,528.93-50,311.80-20,390.52

Finding the Fourth Proportional to 33,528.93, 50,311.80 and 20,390.52

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Solution

The fourth proportional to 33,528.93, 50,311.80 and 20,390.52 is: 30,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,528.93 : 50,311.80 = 20,390.52 : x
  2. Step 2: Convert to fraction form
    33,528.93/50,311.80 = 20,390.52/x
  3. Step 3: Cross multiply
    33,528.93x = 50,311.80 × 20,390.52
  4. Step 4: Simplify right side
    33,528.93x = 1,025,883,764.14
  5. Step 5: Solve for x
    x = 1,025,883,764.14/33,528.93
  6. Step 6: Final answer
    x = 30,596.97

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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.