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Finding the Fourth Proportional to 64,174.62, 96,226.70 and 19,789.05

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Solution

The fourth proportional to 64,174.62, 96,226.70 and 19,789.05 is: 29,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,174.62 : 96,226.70 = 19,789.05 : x
  2. Step 2: Convert to fraction form
    64,174.62/96,226.70 = 19,789.05/x
  3. Step 3: Cross multiply
    64,174.62x = 96,226.70 × 19,789.05
  4. Step 4: Simplify right side
    64,174.62x = 1,904,234,878.69
  5. Step 5: Solve for x
    x = 1,904,234,878.69/64,174.62
  6. Step 6: Final answer
    x = 29,672.71

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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.