Home / 39,917.78-55,086.54-22,923.14

Finding the Fourth Proportional to 39,917.78, 55,086.54 and 22,923.14

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Solution

The fourth proportional to 39,917.78, 55,086.54 and 22,923.14 is: 31,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917.78 : 55,086.54 = 22,923.14 : x
  2. Step 2: Convert to fraction form
    39,917.78/55,086.54 = 22,923.14/x
  3. Step 3: Cross multiply
    39,917.78x = 55,086.54 × 22,923.14
  4. Step 4: Simplify right side
    39,917.78x = 1,262,756,468.54
  5. Step 5: Solve for x
    x = 1,262,756,468.54/39,917.78
  6. Step 6: Final answer
    x = 31,633.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.