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Finding the Fourth Proportional to 32,651.80, 48,975.87 and 12,932.35

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Solution

The fourth proportional to 32,651.80, 48,975.87 and 12,932.35 is: 19,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.80 : 48,975.87 = 12,932.35 : x
  2. Step 2: Convert to fraction form
    32,651.80/48,975.87 = 12,932.35/x
  3. Step 3: Cross multiply
    32,651.80x = 48,975.87 × 12,932.35
  4. Step 4: Simplify right side
    32,651.80x = 633,373,092.39
  5. Step 5: Solve for x
    x = 633,373,092.39/32,651.80
  6. Step 6: Final answer
    x = 19,397.80

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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.