Home / 50,531.85-75,782.36-20,942.73

Finding the Fourth Proportional to 50,531.85, 75,782.36 and 20,942.73

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Solution

The fourth proportional to 50,531.85, 75,782.36 and 20,942.73 is: 31,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.85 : 75,782.36 = 20,942.73 : x
  2. Step 2: Convert to fraction form
    50,531.85/75,782.36 = 20,942.73/x
  3. Step 3: Cross multiply
    50,531.85x = 75,782.36 × 20,942.73
  4. Step 4: Simplify right side
    50,531.85x = 1,587,089,504.24
  5. Step 5: Solve for x
    x = 1,587,089,504.24/50,531.85
  6. Step 6: Final answer
    x = 31,407.71

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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.