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Finding the Fourth Proportional to 32,729.02, 49,092.99 and 8,105.02

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Solution

The fourth proportional to 32,729.02, 49,092.99 and 8,105.02 is: 12,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.02 : 49,092.99 = 8,105.02 : x
  2. Step 2: Convert to fraction form
    32,729.02/49,092.99 = 8,105.02/x
  3. Step 3: Cross multiply
    32,729.02x = 49,092.99 × 8,105.02
  4. Step 4: Simplify right side
    32,729.02x = 397,899,665.81
  5. Step 5: Solve for x
    x = 397,899,665.81/32,729.02
  6. Step 6: Final answer
    x = 12,157.40

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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.