Home / 50,911.35-76,408.38-21,349.95

Finding the Fourth Proportional to 50,911.35, 76,408.38 and 21,349.95

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Solution

The fourth proportional to 50,911.35, 76,408.38 and 21,349.95 is: 32,042.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.35 : 76,408.38 = 21,349.95 : x
  2. Step 2: Convert to fraction form
    50,911.35/76,408.38 = 21,349.95/x
  3. Step 3: Cross multiply
    50,911.35x = 76,408.38 × 21,349.95
  4. Step 4: Simplify right side
    50,911.35x = 1,631,315,092.58
  5. Step 5: Solve for x
    x = 1,631,315,092.58/50,911.35
  6. Step 6: Final answer
    x = 32,042.27

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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.