Home / 38,497.20-57,740.67-12,204.60

Finding the Fourth Proportional to 38,497.20, 57,740.67 and 12,204.60

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Solution

The fourth proportional to 38,497.20, 57,740.67 and 12,204.60 is: 18,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,497.20 : 57,740.67 = 12,204.60 : x
  2. Step 2: Convert to fraction form
    38,497.20/57,740.67 = 12,204.60/x
  3. Step 3: Cross multiply
    38,497.20x = 57,740.67 × 12,204.60
  4. Step 4: Simplify right side
    38,497.20x = 704,701,781.08
  5. Step 5: Solve for x
    x = 704,701,781.08/38,497.20
  6. Step 6: Final answer
    x = 18,305.27

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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.