Home / 42,380.57-58,494.49-33,163.88

Finding the Fourth Proportional to 42,380.57, 58,494.49 and 33,163.88

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Solution

The fourth proportional to 42,380.57, 58,494.49 and 33,163.88 is: 45,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,380.57 : 58,494.49 = 33,163.88 : x
  2. Step 2: Convert to fraction form
    42,380.57/58,494.49 = 33,163.88/x
  3. Step 3: Cross multiply
    42,380.57x = 58,494.49 × 33,163.88
  4. Step 4: Simplify right side
    42,380.57x = 1,939,904,247.02
  5. Step 5: Solve for x
    x = 1,939,904,247.02/42,380.57
  6. Step 6: Final answer
    x = 45,773.43

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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.