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Finding the Fourth Proportional to 33,307, 45,963.68 and 18,403

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Solution

The fourth proportional to 33,307, 45,963.68 and 18,403 is: 25,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307 : 45,963.68 = 18,403 : x
  2. Step 2: Convert to fraction form
    33,307/45,963.68 = 18,403/x
  3. Step 3: Cross multiply
    33,307x = 45,963.68 × 18,403
  4. Step 4: Simplify right side
    33,307x = 845,869,603.04
  5. Step 5: Solve for x
    x = 845,869,603.04/33,307
  6. Step 6: Final answer
    x = 25,396.15

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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.