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Finding the Fourth Proportional to 63,951.93, 95,911.53 and 18,962.77

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Solution

The fourth proportional to 63,951.93, 95,911.53 and 18,962.77 is: 28,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,951.93 : 95,911.53 = 18,962.77 : x
  2. Step 2: Convert to fraction form
    63,951.93/95,911.53 = 18,962.77/x
  3. Step 3: Cross multiply
    63,951.93x = 95,911.53 × 18,962.77
  4. Step 4: Simplify right side
    63,951.93x = 1,818,747,709.37
  5. Step 5: Solve for x
    x = 1,818,747,709.37/63,951.93
  6. Step 6: Final answer
    x = 28,439.30

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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.