Home / 36,951.76-55,420.72-11,992.02

Finding the Fourth Proportional to 36,951.76, 55,420.72 and 11,992.02

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Solution

The fourth proportional to 36,951.76, 55,420.72 and 11,992.02 is: 17,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.76 : 55,420.72 = 11,992.02 : x
  2. Step 2: Convert to fraction form
    36,951.76/55,420.72 = 11,992.02/x
  3. Step 3: Cross multiply
    36,951.76x = 55,420.72 × 11,992.02
  4. Step 4: Simplify right side
    36,951.76x = 664,606,416.02
  5. Step 5: Solve for x
    x = 664,606,416.02/36,951.76
  6. Step 6: Final answer
    x = 17,985.79

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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.