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Finding the Fourth Proportional to 33,250, 45,885 and 18,346

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Solution

The fourth proportional to 33,250, 45,885 and 18,346 is: 25,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,250 : 45,885 = 18,346 : x
  2. Step 2: Convert to fraction form
    33,250/45,885 = 18,346/x
  3. Step 3: Cross multiply
    33,250x = 45,885 × 18,346
  4. Step 4: Simplify right side
    33,250x = 841,806,210
  5. Step 5: Solve for x
    x = 841,806,210/33,250
  6. Step 6: Final answer
    x = 25,317.48

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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.