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Finding the Fourth Proportional to 36,310.50, 54,469.08 and 14,125.50

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Solution

The fourth proportional to 36,310.50, 54,469.08 and 14,125.50 is: 21,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,310.50 : 54,469.08 = 14,125.50 : x
  2. Step 2: Convert to fraction form
    36,310.50/54,469.08 = 14,125.50/x
  3. Step 3: Cross multiply
    36,310.50x = 54,469.08 × 14,125.50
  4. Step 4: Simplify right side
    36,310.50x = 769,402,989.54
  5. Step 5: Solve for x
    x = 769,402,989.54/36,310.50
  6. Step 6: Final answer
    x = 21,189.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.