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Finding the Fourth Proportional to 38,067, 52,532.46 and 21,300

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Solution

The fourth proportional to 38,067, 52,532.46 and 21,300 is: 29,394

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,067 : 52,532.46 = 21,300 : x
  2. Step 2: Convert to fraction form
    38,067/52,532.46 = 21,300/x
  3. Step 3: Cross multiply
    38,067x = 52,532.46 × 21,300
  4. Step 4: Simplify right side
    38,067x = 1,118,941,398
  5. Step 5: Solve for x
    x = 1,118,941,398/38,067
  6. Step 6: Final answer
    x = 29,394

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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.