Home / 37,213.98-55,821.15-18,489.61

Finding the Fourth Proportional to 37,213.98, 55,821.15 and 18,489.61

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Solution

The fourth proportional to 37,213.98, 55,821.15 and 18,489.61 is: 27,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,213.98 : 55,821.15 = 18,489.61 : x
  2. Step 2: Convert to fraction form
    37,213.98/55,821.15 = 18,489.61/x
  3. Step 3: Cross multiply
    37,213.98x = 55,821.15 × 18,489.61
  4. Step 4: Simplify right side
    37,213.98x = 1,032,111,363.03
  5. Step 5: Solve for x
    x = 1,032,111,363.03/37,213.98
  6. Step 6: Final answer
    x = 27,734.51

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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.