Home / 39,161.79-54,043.11-22,165.56

Finding the Fourth Proportional to 39,161.79, 54,043.11 and 22,165.56

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Solution

The fourth proportional to 39,161.79, 54,043.11 and 22,165.56 is: 30,588.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.79 : 54,043.11 = 22,165.56 : x
  2. Step 2: Convert to fraction form
    39,161.79/54,043.11 = 22,165.56/x
  3. Step 3: Cross multiply
    39,161.79x = 54,043.11 × 22,165.56
  4. Step 4: Simplify right side
    39,161.79x = 1,197,895,797.29
  5. Step 5: Solve for x
    x = 1,197,895,797.29/39,161.79
  6. Step 6: Final answer
    x = 30,588.38

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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.