Home / 50,135.45-75,212.66-20,152.03

Finding the Fourth Proportional to 50,135.45, 75,212.66 and 20,152.03

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Solution

The fourth proportional to 50,135.45, 75,212.66 and 20,152.03 is: 30,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,135.45 : 75,212.66 = 20,152.03 : x
  2. Step 2: Convert to fraction form
    50,135.45/75,212.66 = 20,152.03/x
  3. Step 3: Cross multiply
    50,135.45x = 75,212.66 × 20,152.03
  4. Step 4: Simplify right side
    50,135.45x = 1,515,687,404.64
  5. Step 5: Solve for x
    x = 1,515,687,404.64/50,135.45
  6. Step 6: Final answer
    x = 30,231.85

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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.