Home / 39,995.39-55,194.47-22,091.55

Finding the Fourth Proportional to 39,995.39, 55,194.47 and 22,091.55

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Solution

The fourth proportional to 39,995.39, 55,194.47 and 22,091.55 is: 30,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,995.39 : 55,194.47 = 22,091.55 : x
  2. Step 2: Convert to fraction form
    39,995.39/55,194.47 = 22,091.55/x
  3. Step 3: Cross multiply
    39,995.39x = 55,194.47 × 22,091.55
  4. Step 4: Simplify right side
    39,995.39x = 1,219,331,283.27
  5. Step 5: Solve for x
    x = 1,219,331,283.27/39,995.39
  6. Step 6: Final answer
    x = 30,486.80

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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.