Home / 39,186.15-54,083.00-22,191.27

Finding the Fourth Proportional to 39,186.15, 54,083.00 and 22,191.27

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Solution

The fourth proportional to 39,186.15, 54,083.00 and 22,191.27 is: 30,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.15 : 54,083.00 = 22,191.27 : x
  2. Step 2: Convert to fraction form
    39,186.15/54,083.00 = 22,191.27/x
  3. Step 3: Cross multiply
    39,186.15x = 54,083.00 × 22,191.27
  4. Step 4: Simplify right side
    39,186.15x = 1,200,170,344.45
  5. Step 5: Solve for x
    x = 1,200,170,344.45/39,186.15
  6. Step 6: Final answer
    x = 30,627.41

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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.