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Finding the Fourth Proportional to 33,269, 45,911.28 and 18,365

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Solution

The fourth proportional to 33,269, 45,911.28 and 18,365 is: 25,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,269 : 45,911.28 = 18,365 : x
  2. Step 2: Convert to fraction form
    33,269/45,911.28 = 18,365/x
  3. Step 3: Cross multiply
    33,269x = 45,911.28 × 18,365
  4. Step 4: Simplify right side
    33,269x = 843,160,657.20
  5. Step 5: Solve for x
    x = 843,160,657.20/33,269
  6. Step 6: Final answer
    x = 25,343.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.