Home / 39,161.18-54,029.58-22,163.74

Finding the Fourth Proportional to 39,161.18, 54,029.58 and 22,163.74

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Solution

The fourth proportional to 39,161.18, 54,029.58 and 22,163.74 is: 30,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.18 : 54,029.58 = 22,163.74 : x
  2. Step 2: Convert to fraction form
    39,161.18/54,029.58 = 22,163.74/x
  3. Step 3: Cross multiply
    39,161.18x = 54,029.58 × 22,163.74
  4. Step 4: Simplify right side
    39,161.18x = 1,197,497,563.43
  5. Step 5: Solve for x
    x = 1,197,497,563.43/39,161.18
  6. Step 6: Final answer
    x = 30,578.69

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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.