Home / 31,562.10-43,553.43-18,133.92

Finding the Fourth Proportional to 31,562.10, 43,553.43 and 18,133.92

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Solution

The fourth proportional to 31,562.10, 43,553.43 and 18,133.92 is: 25,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,562.10 : 43,553.43 = 18,133.92 : x
  2. Step 2: Convert to fraction form
    31,562.10/43,553.43 = 18,133.92/x
  3. Step 3: Cross multiply
    31,562.10x = 43,553.43 × 18,133.92
  4. Step 4: Simplify right side
    31,562.10x = 789,794,415.35
  5. Step 5: Solve for x
    x = 789,794,415.35/31,562.10
  6. Step 6: Final answer
    x = 25,023.51

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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.