Home / 39,993.84-55,190.43-22,087.57

Finding the Fourth Proportional to 39,993.84, 55,190.43 and 22,087.57

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Solution

The fourth proportional to 39,993.84, 55,190.43 and 22,087.57 is: 30,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.84 : 55,190.43 = 22,087.57 : x
  2. Step 2: Convert to fraction form
    39,993.84/55,190.43 = 22,087.57/x
  3. Step 3: Cross multiply
    39,993.84x = 55,190.43 × 22,087.57
  4. Step 4: Simplify right side
    39,993.84x = 1,219,022,485.96
  5. Step 5: Solve for x
    x = 1,219,022,485.96/39,993.84
  6. Step 6: Final answer
    x = 30,480.26

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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.