Home / 36,891.45-50,907.29-20,972.52

Finding the Fourth Proportional to 36,891.45, 50,907.29 and 20,972.52

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Solution

The fourth proportional to 36,891.45, 50,907.29 and 20,972.52 is: 28,940.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,891.45 : 50,907.29 = 20,972.52 : x
  2. Step 2: Convert to fraction form
    36,891.45/50,907.29 = 20,972.52/x
  3. Step 3: Cross multiply
    36,891.45x = 50,907.29 × 20,972.52
  4. Step 4: Simplify right side
    36,891.45x = 1,067,654,052.81
  5. Step 5: Solve for x
    x = 1,067,654,052.81/36,891.45
  6. Step 6: Final answer
    x = 28,940.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.