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Finding the Fourth Proportional to 40,550, 60,825 and 12,848

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Solution

The fourth proportional to 40,550, 60,825 and 12,848 is: 19,272

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,550 : 60,825 = 12,848 : x
  2. Step 2: Convert to fraction form
    40,550/60,825 = 12,848/x
  3. Step 3: Cross multiply
    40,550x = 60,825 × 12,848
  4. Step 4: Simplify right side
    40,550x = 781,479,600
  5. Step 5: Solve for x
    x = 781,479,600/40,550
  6. Step 6: Final answer
    x = 19,272

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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.