Home / 36,639.74-55,003.46-21,855.62

Finding the Fourth Proportional to 36,639.74, 55,003.46 and 21,855.62

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Solution

The fourth proportional to 36,639.74, 55,003.46 and 21,855.62 is: 32,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.74 : 55,003.46 = 21,855.62 : x
  2. Step 2: Convert to fraction form
    36,639.74/55,003.46 = 21,855.62/x
  3. Step 3: Cross multiply
    36,639.74x = 55,003.46 × 21,855.62
  4. Step 4: Simplify right side
    36,639.74x = 1,202,134,748.68
  5. Step 5: Solve for x
    x = 1,202,134,748.68/36,639.74
  6. Step 6: Final answer
    x = 32,809.59

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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.