Home / 50,938.75-76,408.12-19,348.73

Finding the Fourth Proportional to 50,938.75, 76,408.12 and 19,348.73

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Solution

The fourth proportional to 50,938.75, 76,408.12 and 19,348.73 is: 29,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,938.75 : 76,408.12 = 19,348.73 : x
  2. Step 2: Convert to fraction form
    50,938.75/76,408.12 = 19,348.73/x
  3. Step 3: Cross multiply
    50,938.75x = 76,408.12 × 19,348.73
  4. Step 4: Simplify right side
    50,938.75x = 1,478,399,986.94
  5. Step 5: Solve for x
    x = 1,478,399,986.94/50,938.75
  6. Step 6: Final answer
    x = 29,023.09

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Double scale
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Similar ratio
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1.5x scale

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.