Home / 50,175.80-75,249.32-20,190

Finding the Fourth Proportional to 50,175.80, 75,249.32 and 20,190

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Solution

The fourth proportional to 50,175.80, 75,249.32 and 20,190 is: 30,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,175.80 : 75,249.32 = 20,190 : x
  2. Step 2: Convert to fraction form
    50,175.80/75,249.32 = 20,190/x
  3. Step 3: Cross multiply
    50,175.80x = 75,249.32 × 20,190
  4. Step 4: Simplify right side
    50,175.80x = 1,519,283,669.85
  5. Step 5: Solve for x
    x = 1,519,283,669.85/50,175.80
  6. Step 6: Final answer
    x = 30,279.21

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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.