Home / 39,182.41-54,072.37-22,186.20

Finding the Fourth Proportional to 39,182.41, 54,072.37 and 22,186.20

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Solution

The fourth proportional to 39,182.41, 54,072.37 and 22,186.20 is: 30,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.41 : 54,072.37 = 22,186.20 : x
  2. Step 2: Convert to fraction form
    39,182.41/54,072.37 = 22,186.20/x
  3. Step 3: Cross multiply
    39,182.41x = 54,072.37 × 22,186.20
  4. Step 4: Simplify right side
    39,182.41x = 1,199,660,304.36
  5. Step 5: Solve for x
    x = 1,199,660,304.36/39,182.41
  6. Step 6: Final answer
    x = 30,617.32

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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.