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Finding the Fourth Proportional to 64,229.84, 96,353.84 and 19,860.44

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Solution

The fourth proportional to 64,229.84, 96,353.84 and 19,860.44 is: 29,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,229.84 : 96,353.84 = 19,860.44 : x
  2. Step 2: Convert to fraction form
    64,229.84/96,353.84 = 19,860.44/x
  3. Step 3: Cross multiply
    64,229.84x = 96,353.84 × 19,860.44
  4. Step 4: Simplify right side
    64,229.84x = 1,913,629,658.09
  5. Step 5: Solve for x
    x = 1,913,629,658.09/64,229.84
  6. Step 6: Final answer
    x = 29,793.47

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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.