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Finding the Fourth Proportional to 50,000.60, 75,000.97 and 20,418.44

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Solution

The fourth proportional to 50,000.60, 75,000.97 and 20,418.44 is: 30,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,000.60 : 75,000.97 = 20,418.44 : x
  2. Step 2: Convert to fraction form
    50,000.60/75,000.97 = 20,418.44/x
  3. Step 3: Cross multiply
    50,000.60x = 75,000.97 × 20,418.44
  4. Step 4: Simplify right side
    50,000.60x = 1,531,402,456.40
  5. Step 5: Solve for x
    x = 1,531,402,456.40/50,000.60
  6. Step 6: Final answer
    x = 30,627.68

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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.