Home / 36,147.12-49,882.53-20,231.56

Finding the Fourth Proportional to 36,147.12, 49,882.53 and 20,231.56

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Solution

The fourth proportional to 36,147.12, 49,882.53 and 20,231.56 is: 27,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.12 : 49,882.53 = 20,231.56 : x
  2. Step 2: Convert to fraction form
    36,147.12/49,882.53 = 20,231.56/x
  3. Step 3: Cross multiply
    36,147.12x = 49,882.53 × 20,231.56
  4. Step 4: Simplify right side
    36,147.12x = 1,009,201,398.65
  5. Step 5: Solve for x
    x = 1,009,201,398.65/36,147.12
  6. Step 6: Final answer
    x = 27,919.28

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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.