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Finding the Fourth Proportional to 50,604, 75,906 and 13,668

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Solution

The fourth proportional to 50,604, 75,906 and 13,668 is: 20,502

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604 : 75,906 = 13,668 : x
  2. Step 2: Convert to fraction form
    50,604/75,906 = 13,668/x
  3. Step 3: Cross multiply
    50,604x = 75,906 × 13,668
  4. Step 4: Simplify right side
    50,604x = 1,037,483,208
  5. Step 5: Solve for x
    x = 1,037,483,208/50,604
  6. Step 6: Final answer
    x = 20,502

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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.