Home / 33,390.38-50,075.30-21,991.79

Finding the Fourth Proportional to 33,390.38, 50,075.30 and 21,991.79

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Solution

The fourth proportional to 33,390.38, 50,075.30 and 21,991.79 is: 32,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,390.38 : 50,075.30 = 21,991.79 : x
  2. Step 2: Convert to fraction form
    33,390.38/50,075.30 = 21,991.79/x
  3. Step 3: Cross multiply
    33,390.38x = 50,075.30 × 21,991.79
  4. Step 4: Simplify right side
    33,390.38x = 1,101,245,121.45
  5. Step 5: Solve for x
    x = 1,101,245,121.45/33,390.38
  6. Step 6: Final answer
    x = 32,980.92

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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.