Home / 43,682.17-65,553.55-19,992.61

Finding the Fourth Proportional to 43,682.17, 65,553.55 and 19,992.61

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Solution

The fourth proportional to 43,682.17, 65,553.55 and 19,992.61 is: 30,002.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,682.17 : 65,553.55 = 19,992.61 : x
  2. Step 2: Convert to fraction form
    43,682.17/65,553.55 = 19,992.61/x
  3. Step 3: Cross multiply
    43,682.17x = 65,553.55 × 19,992.61
  4. Step 4: Simplify right side
    43,682.17x = 1,310,586,559.27
  5. Step 5: Solve for x
    x = 1,310,586,559.27/43,682.17
  6. Step 6: Final answer
    x = 30,002.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.