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Finding the Fourth Proportional to 70,691.62, 106,037.45 and 33,224.18

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Solution

The fourth proportional to 70,691.62, 106,037.45 and 33,224.18 is: 49,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,691.62 : 106,037.45 = 33,224.18 : x
  2. Step 2: Convert to fraction form
    70,691.62/106,037.45 = 33,224.18/x
  3. Step 3: Cross multiply
    70,691.62x = 106,037.45 × 33,224.18
  4. Step 4: Simplify right side
    70,691.62x = 3,523,007,325.54
  5. Step 5: Solve for x
    x = 3,523,007,325.54/70,691.62
  6. Step 6: Final answer
    x = 49,836.28

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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.