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Finding the Fourth Proportional to 32,636.12, 48,954.21 and 8,943.86

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Solution

The fourth proportional to 32,636.12, 48,954.21 and 8,943.86 is: 13,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,636.12 : 48,954.21 = 8,943.86 : x
  2. Step 2: Convert to fraction form
    32,636.12/48,954.21 = 8,943.86/x
  3. Step 3: Cross multiply
    32,636.12x = 48,954.21 × 8,943.86
  4. Step 4: Simplify right side
    32,636.12x = 437,839,600.65
  5. Step 5: Solve for x
    x = 437,839,600.65/32,636.12
  6. Step 6: Final answer
    x = 13,415.80

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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.