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Finding the Fourth Proportional to 63,803.20, 95,725.20 and 19,438.40

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Solution

The fourth proportional to 63,803.20, 95,725.20 and 19,438.40 is: 29,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,803.20 : 95,725.20 = 19,438.40 : x
  2. Step 2: Convert to fraction form
    63,803.20/95,725.20 = 19,438.40/x
  3. Step 3: Cross multiply
    63,803.20x = 95,725.20 × 19,438.40
  4. Step 4: Simplify right side
    63,803.20x = 1,860,744,727.68
  5. Step 5: Solve for x
    x = 1,860,744,727.68/63,803.20
  6. Step 6: Final answer
    x = 29,163.82

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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.