Home / 36,921.68-55,376.52-10,620.44

Finding the Fourth Proportional to 36,921.68, 55,376.52 and 10,620.44

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Solution

The fourth proportional to 36,921.68, 55,376.52 and 10,620.44 is: 15,928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.68 : 55,376.52 = 10,620.44 : x
  2. Step 2: Convert to fraction form
    36,921.68/55,376.52 = 10,620.44/x
  3. Step 3: Cross multiply
    36,921.68x = 55,376.52 × 10,620.44
  4. Step 4: Simplify right side
    36,921.68x = 588,123,008.07
  5. Step 5: Solve for x
    x = 588,123,008.07/36,921.68
  6. Step 6: Final answer
    x = 15,928.93

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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.