Home / 32,172.69-48,245.67-12,439.88

Finding the Fourth Proportional to 32,172.69, 48,245.67 and 12,439.88

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Solution

The fourth proportional to 32,172.69, 48,245.67 and 12,439.88 is: 18,654.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,172.69 : 48,245.67 = 12,439.88 : x
  2. Step 2: Convert to fraction form
    32,172.69/48,245.67 = 12,439.88/x
  3. Step 3: Cross multiply
    32,172.69x = 48,245.67 × 12,439.88
  4. Step 4: Simplify right side
    32,172.69x = 600,170,104.09
  5. Step 5: Solve for x
    x = 600,170,104.09/32,172.69
  6. Step 6: Final answer
    x = 18,654.64

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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.