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Finding the Fourth Proportional to 33,258, 45,896.04 and 18,354

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Solution

The fourth proportional to 33,258, 45,896.04 and 18,354 is: 25,328.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258 : 45,896.04 = 18,354 : x
  2. Step 2: Convert to fraction form
    33,258/45,896.04 = 18,354/x
  3. Step 3: Cross multiply
    33,258x = 45,896.04 × 18,354
  4. Step 4: Simplify right side
    33,258x = 842,375,918.16
  5. Step 5: Solve for x
    x = 842,375,918.16/33,258
  6. Step 6: Final answer
    x = 25,328.52

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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.