Home / 39,195.20-54,089.12-22,427.84

Finding the Fourth Proportional to 39,195.20, 54,089.12 and 22,427.84

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Solution

The fourth proportional to 39,195.20, 54,089.12 and 22,427.84 is: 30,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.20 : 54,089.12 = 22,427.84 : x
  2. Step 2: Convert to fraction form
    39,195.20/54,089.12 = 22,427.84/x
  3. Step 3: Cross multiply
    39,195.20x = 54,089.12 × 22,427.84
  4. Step 4: Simplify right side
    39,195.20x = 1,213,102,129.10
  5. Step 5: Solve for x
    x = 1,213,102,129.10/39,195.20
  6. Step 6: Final answer
    x = 30,950.27

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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.