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Finding the Fourth Proportional to 33,000.10, 49,500.15 and 10,814.20

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Solution

The fourth proportional to 33,000.10, 49,500.15 and 10,814.20 is: 16,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,000.10 : 49,500.15 = 10,814.20 : x
  2. Step 2: Convert to fraction form
    33,000.10/49,500.15 = 10,814.20/x
  3. Step 3: Cross multiply
    33,000.10x = 49,500.15 × 10,814.20
  4. Step 4: Simplify right side
    33,000.10x = 535,304,522.13
  5. Step 5: Solve for x
    x = 535,304,522.13/33,000.10
  6. Step 6: Final answer
    x = 16,221.30

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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.