Home / 33,990.88-50,986.30-10,619.32

Finding the Fourth Proportional to 33,990.88, 50,986.30 and 10,619.32

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Solution

The fourth proportional to 33,990.88, 50,986.30 and 10,619.32 is: 15,928.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,990.88 : 50,986.30 = 10,619.32 : x
  2. Step 2: Convert to fraction form
    33,990.88/50,986.30 = 10,619.32/x
  3. Step 3: Cross multiply
    33,990.88x = 50,986.30 × 10,619.32
  4. Step 4: Simplify right side
    33,990.88x = 541,439,835.32
  5. Step 5: Solve for x
    x = 541,439,835.32/33,990.88
  6. Step 6: Final answer
    x = 15,928.97

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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.