Home / 36,008.83-49,687.23-20,090.20

Finding the Fourth Proportional to 36,008.83, 49,687.23 and 20,090.20

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Solution

The fourth proportional to 36,008.83, 49,687.23 and 20,090.20 is: 27,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.83 : 49,687.23 = 20,090.20 : x
  2. Step 2: Convert to fraction form
    36,008.83/49,687.23 = 20,090.20/x
  3. Step 3: Cross multiply
    36,008.83x = 49,687.23 × 20,090.20
  4. Step 4: Simplify right side
    36,008.83x = 998,226,388.15
  5. Step 5: Solve for x
    x = 998,226,388.15/36,008.83
  6. Step 6: Final answer
    x = 27,721.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.