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Finding the Fourth Proportional to 63,697.20, 95,545.80 and 19,321.80

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Solution

The fourth proportional to 63,697.20, 95,545.80 and 19,321.80 is: 28,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.20 : 95,545.80 = 19,321.80 : x
  2. Step 2: Convert to fraction form
    63,697.20/95,545.80 = 19,321.80/x
  3. Step 3: Cross multiply
    63,697.20x = 95,545.80 × 19,321.80
  4. Step 4: Simplify right side
    63,697.20x = 1,846,116,838.44
  5. Step 5: Solve for x
    x = 1,846,116,838.44/63,697.20
  6. Step 6: Final answer
    x = 28,982.70

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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.