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Finding the Fourth Proportional to 34,104, 47,071.20 and 22,180.80

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Solution

The fourth proportional to 34,104, 47,071.20 and 22,180.80 is: 30,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,104 : 47,071.20 = 22,180.80 : x
  2. Step 2: Convert to fraction form
    34,104/47,071.20 = 22,180.80/x
  3. Step 3: Cross multiply
    34,104x = 47,071.20 × 22,180.80
  4. Step 4: Simplify right side
    34,104x = 1,044,076,872.96
  5. Step 5: Solve for x
    x = 1,044,076,872.96/34,104
  6. Step 6: Final answer
    x = 30,614.50

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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.