Home / 33,965.80-50,987.10-20,122.60

Finding the Fourth Proportional to 33,965.80, 50,987.10 and 20,122.60

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Solution

The fourth proportional to 33,965.80, 50,987.10 and 20,122.60 is: 30,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.80 : 50,987.10 = 20,122.60 : x
  2. Step 2: Convert to fraction form
    33,965.80/50,987.10 = 20,122.60/x
  3. Step 3: Cross multiply
    33,965.80x = 50,987.10 × 20,122.60
  4. Step 4: Simplify right side
    33,965.80x = 1,025,993,018.46
  5. Step 5: Solve for x
    x = 1,025,993,018.46/33,965.80
  6. Step 6: Final answer
    x = 30,206.65

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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.