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Finding the Fourth Proportional to 33,066.07, 49,599.09 and 8,442.07

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Solution

The fourth proportional to 33,066.07, 49,599.09 and 8,442.07 is: 12,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,066.07 : 49,599.09 = 8,442.07 : x
  2. Step 2: Convert to fraction form
    33,066.07/49,599.09 = 8,442.07/x
  3. Step 3: Cross multiply
    33,066.07x = 49,599.09 × 8,442.07
  4. Step 4: Simplify right side
    33,066.07x = 418,718,989.72
  5. Step 5: Solve for x
    x = 418,718,989.72/33,066.07
  6. Step 6: Final answer
    x = 12,663.10

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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.