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Finding the Fourth Proportional to 33,151, 45,749.10 and 18,247

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Solution

The fourth proportional to 33,151, 45,749.10 and 18,247 is: 25,181.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151 : 45,749.10 = 18,247 : x
  2. Step 2: Convert to fraction form
    33,151/45,749.10 = 18,247/x
  3. Step 3: Cross multiply
    33,151x = 45,749.10 × 18,247
  4. Step 4: Simplify right side
    33,151x = 834,783,827.70
  5. Step 5: Solve for x
    x = 834,783,827.70/33,151
  6. Step 6: Final answer
    x = 25,181.26

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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.