Home / 36,989.87-55,490.06-12,021.82

Finding the Fourth Proportional to 36,989.87, 55,490.06 and 12,021.82

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Solution

The fourth proportional to 36,989.87, 55,490.06 and 12,021.82 is: 18,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.87 : 55,490.06 = 12,021.82 : x
  2. Step 2: Convert to fraction form
    36,989.87/55,490.06 = 12,021.82/x
  3. Step 3: Cross multiply
    36,989.87x = 55,490.06 × 12,021.82
  4. Step 4: Simplify right side
    36,989.87x = 667,091,404.44
  5. Step 5: Solve for x
    x = 667,091,404.44/36,989.87
  6. Step 6: Final answer
    x = 18,034.44

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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.