Home / 39,991.58-55,187.94-22,086.23

Finding the Fourth Proportional to 39,991.58, 55,187.94 and 22,086.23

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Solution

The fourth proportional to 39,991.58, 55,187.94 and 22,086.23 is: 30,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.58 : 55,187.94 = 22,086.23 : x
  2. Step 2: Convert to fraction form
    39,991.58/55,187.94 = 22,086.23/x
  3. Step 3: Cross multiply
    39,991.58x = 55,187.94 × 22,086.23
  4. Step 4: Simplify right side
    39,991.58x = 1,218,893,536.07
  5. Step 5: Solve for x
    x = 1,218,893,536.07/39,991.58
  6. Step 6: Final answer
    x = 30,478.75

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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.