Home / 36,990.87-55,491.56-12,022.82

Finding the Fourth Proportional to 36,990.87, 55,491.56 and 12,022.82

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Solution

The fourth proportional to 36,990.87, 55,491.56 and 12,022.82 is: 18,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,990.87 : 55,491.56 = 12,022.82 : x
  2. Step 2: Convert to fraction form
    36,990.87/55,491.56 = 12,022.82/x
  3. Step 3: Cross multiply
    36,990.87x = 55,491.56 × 12,022.82
  4. Step 4: Simplify right side
    36,990.87x = 667,165,037.40
  5. Step 5: Solve for x
    x = 667,165,037.40/36,990.87
  6. Step 6: Final answer
    x = 18,035.94

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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.