Home / 33,978.39-50,985.92-19,965.80

Finding the Fourth Proportional to 33,978.39, 50,985.92 and 19,965.80

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Solution

The fourth proportional to 33,978.39, 50,985.92 and 19,965.80 is: 29,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,978.39 : 50,985.92 = 19,965.80 : x
  2. Step 2: Convert to fraction form
    33,978.39/50,985.92 = 19,965.80/x
  3. Step 3: Cross multiply
    33,978.39x = 50,985.92 × 19,965.80
  4. Step 4: Simplify right side
    33,978.39x = 1,017,974,326.78
  5. Step 5: Solve for x
    x = 1,017,974,326.78/33,978.39
  6. Step 6: Final answer
    x = 29,959.46

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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.