Home / 39,190.47-54,084.12-22,194.45

Finding the Fourth Proportional to 39,190.47, 54,084.12 and 22,194.45

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Solution

The fourth proportional to 39,190.47, 54,084.12 and 22,194.45 is: 30,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,190.47 : 54,084.12 = 22,194.45 : x
  2. Step 2: Convert to fraction form
    39,190.47/54,084.12 = 22,194.45/x
  3. Step 3: Cross multiply
    39,190.47x = 54,084.12 × 22,194.45
  4. Step 4: Simplify right side
    39,190.47x = 1,200,367,297.13
  5. Step 5: Solve for x
    x = 1,200,367,297.13/39,190.47
  6. Step 6: Final answer
    x = 30,629.06

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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.