Home / 36,147.74-49,884.93-20,231.78

Finding the Fourth Proportional to 36,147.74, 49,884.93 and 20,231.78

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Solution

The fourth proportional to 36,147.74, 49,884.93 and 20,231.78 is: 27,920.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,147.74 : 49,884.93 = 20,231.78 : x
  2. Step 2: Convert to fraction form
    36,147.74/49,884.93 = 20,231.78/x
  3. Step 3: Cross multiply
    36,147.74x = 49,884.93 × 20,231.78
  4. Step 4: Simplify right side
    36,147.74x = 1,009,260,679.65
  5. Step 5: Solve for x
    x = 1,009,260,679.65/36,147.74
  6. Step 6: Final answer
    x = 27,920.44

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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.