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Finding the Fourth Proportional to 30,404, 41,957.52 and 17,156

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Solution

The fourth proportional to 30,404, 41,957.52 and 17,156 is: 23,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404 : 41,957.52 = 17,156 : x
  2. Step 2: Convert to fraction form
    30,404/41,957.52 = 17,156/x
  3. Step 3: Cross multiply
    30,404x = 41,957.52 × 17,156
  4. Step 4: Simplify right side
    30,404x = 719,823,213.12
  5. Step 5: Solve for x
    x = 719,823,213.12/30,404
  6. Step 6: Final answer
    x = 23,675.28

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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.