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Finding the Fourth Proportional to 33,960.10, 50,940.15 and 9,000.10

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Solution

The fourth proportional to 33,960.10, 50,940.15 and 9,000.10 is: 13,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,960.10 : 50,940.15 = 9,000.10 : x
  2. Step 2: Convert to fraction form
    33,960.10/50,940.15 = 9,000.10/x
  3. Step 3: Cross multiply
    33,960.10x = 50,940.15 × 9,000.10
  4. Step 4: Simplify right side
    33,960.10x = 458,466,444.02
  5. Step 5: Solve for x
    x = 458,466,444.02/33,960.10
  6. Step 6: Final answer
    x = 13,500.15

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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.