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Finding the Fourth Proportional to 36,604, 50,496.60 and 21,491.80

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Solution

The fourth proportional to 36,604, 50,496.60 and 21,491.80 is: 29,648.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,604 : 50,496.60 = 21,491.80 : x
  2. Step 2: Convert to fraction form
    36,604/50,496.60 = 21,491.80/x
  3. Step 3: Cross multiply
    36,604x = 50,496.60 × 21,491.80
  4. Step 4: Simplify right side
    36,604x = 1,085,262,827.88
  5. Step 5: Solve for x
    x = 1,085,262,827.88/36,604
  6. Step 6: Final answer
    x = 29,648.75

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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.