Home / 33,811.80-50,739.30-19,771.80

Finding the Fourth Proportional to 33,811.80, 50,739.30 and 19,771.80

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Solution

The fourth proportional to 33,811.80, 50,739.30 and 19,771.80 is: 29,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.80 : 50,739.30 = 19,771.80 : x
  2. Step 2: Convert to fraction form
    33,811.80/50,739.30 = 19,771.80/x
  3. Step 3: Cross multiply
    33,811.80x = 50,739.30 × 19,771.80
  4. Step 4: Simplify right side
    33,811.80x = 1,003,207,291.74
  5. Step 5: Solve for x
    x = 1,003,207,291.74/33,811.80
  6. Step 6: Final answer
    x = 29,670.33

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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.