Home / 39,373.62-54,340.21-22,380.42

Finding the Fourth Proportional to 39,373.62, 54,340.21 and 22,380.42

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Solution

The fourth proportional to 39,373.62, 54,340.21 and 22,380.42 is: 30,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.62 : 54,340.21 = 22,380.42 : x
  2. Step 2: Convert to fraction form
    39,373.62/54,340.21 = 22,380.42/x
  3. Step 3: Cross multiply
    39,373.62x = 54,340.21 × 22,380.42
  4. Step 4: Simplify right side
    39,373.62x = 1,216,156,450.99
  5. Step 5: Solve for x
    x = 1,216,156,450.99/39,373.62
  6. Step 6: Final answer
    x = 30,887.60

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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.