Home / 43,822.97-65,682.55-20,110.53

Finding the Fourth Proportional to 43,822.97, 65,682.55 and 20,110.53

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Solution

The fourth proportional to 43,822.97, 65,682.55 and 20,110.53 is: 30,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,822.97 : 65,682.55 = 20,110.53 : x
  2. Step 2: Convert to fraction form
    43,822.97/65,682.55 = 20,110.53/x
  3. Step 3: Cross multiply
    43,822.97x = 65,682.55 × 20,110.53
  4. Step 4: Simplify right side
    43,822.97x = 1,320,911,163.70
  5. Step 5: Solve for x
    x = 1,320,911,163.70/43,822.97
  6. Step 6: Final answer
    x = 30,141.98

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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.