Home / 39,991.41-55,188.59-23,004.09

Finding the Fourth Proportional to 39,991.41, 55,188.59 and 23,004.09

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Solution

The fourth proportional to 39,991.41, 55,188.59 and 23,004.09 is: 31,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.41 : 55,188.59 = 23,004.09 : x
  2. Step 2: Convert to fraction form
    39,991.41/55,188.59 = 23,004.09/x
  3. Step 3: Cross multiply
    39,991.41x = 55,188.59 × 23,004.09
  4. Step 4: Simplify right side
    39,991.41x = 1,269,563,176.31
  5. Step 5: Solve for x
    x = 1,269,563,176.31/39,991.41
  6. Step 6: Final answer
    x = 31,745.90

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1.5x scale

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.