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Finding the Fourth Proportional to 33,365.80, 46,044.80 and 18,258.47

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Solution

The fourth proportional to 33,365.80, 46,044.80 and 18,258.47 is: 25,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,365.80 : 46,044.80 = 18,258.47 : x
  2. Step 2: Convert to fraction form
    33,365.80/46,044.80 = 18,258.47/x
  3. Step 3: Cross multiply
    33,365.80x = 46,044.80 × 18,258.47
  4. Step 4: Simplify right side
    33,365.80x = 840,707,414.88
  5. Step 5: Solve for x
    x = 840,707,414.88/33,365.80
  6. Step 6: Final answer
    x = 25,196.68

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1.5x scale

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.