Home / 36,763.70-55,145.55-21,989.30

Finding the Fourth Proportional to 36,763.70, 55,145.55 and 21,989.30

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Solution

The fourth proportional to 36,763.70, 55,145.55 and 21,989.30 is: 32,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,763.70 : 55,145.55 = 21,989.30 : x
  2. Step 2: Convert to fraction form
    36,763.70/55,145.55 = 21,989.30/x
  3. Step 3: Cross multiply
    36,763.70x = 55,145.55 × 21,989.30
  4. Step 4: Simplify right side
    36,763.70x = 1,212,612,042.62
  5. Step 5: Solve for x
    x = 1,212,612,042.62/36,763.70
  6. Step 6: Final answer
    x = 32,983.95

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Similar ratio
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1.5x scale

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.