Home / 36,143.46-49,873.50-20,223.90

Finding the Fourth Proportional to 36,143.46, 49,873.50 and 20,223.90

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Solution

The fourth proportional to 36,143.46, 49,873.50 and 20,223.90 is: 27,906.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.46 : 49,873.50 = 20,223.90 : x
  2. Step 2: Convert to fraction form
    36,143.46/49,873.50 = 20,223.90/x
  3. Step 3: Cross multiply
    36,143.46x = 49,873.50 × 20,223.90
  4. Step 4: Simplify right side
    36,143.46x = 1,008,636,676.65
  5. Step 5: Solve for x
    x = 1,008,636,676.65/36,143.46
  6. Step 6: Final answer
    x = 27,906.48

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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.