Home / 36,825.14-55,199.87-20,997.78

Finding the Fourth Proportional to 36,825.14, 55,199.87 and 20,997.78

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Solution

The fourth proportional to 36,825.14, 55,199.87 and 20,997.78 is: 31,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,825.14 : 55,199.87 = 20,997.78 : x
  2. Step 2: Convert to fraction form
    36,825.14/55,199.87 = 20,997.78/x
  3. Step 3: Cross multiply
    36,825.14x = 55,199.87 × 20,997.78
  4. Step 4: Simplify right side
    36,825.14x = 1,159,074,621.30
  5. Step 5: Solve for x
    x = 1,159,074,621.30/36,825.14
  6. Step 6: Final answer
    x = 31,475.09

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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.