Home / 49,076.52-73,584.62-20,980.86

Finding the Fourth Proportional to 49,076.52, 73,584.62 and 20,980.86

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Solution

The fourth proportional to 49,076.52, 73,584.62 and 20,980.86 is: 31,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,076.52 : 73,584.62 = 20,980.86 : x
  2. Step 2: Convert to fraction form
    49,076.52/73,584.62 = 20,980.86/x
  3. Step 3: Cross multiply
    49,076.52x = 73,584.62 × 20,980.86
  4. Step 4: Simplify right side
    49,076.52x = 1,543,868,610.37
  5. Step 5: Solve for x
    x = 1,543,868,610.37/49,076.52
  6. Step 6: Final answer
    x = 31,458.40

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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.