Home / 36,490.68-50,355.61-20,576.61

Finding the Fourth Proportional to 36,490.68, 50,355.61 and 20,576.61

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Solution

The fourth proportional to 36,490.68, 50,355.61 and 20,576.61 is: 28,394.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.68 : 50,355.61 = 20,576.61 : x
  2. Step 2: Convert to fraction form
    36,490.68/50,355.61 = 20,576.61/x
  3. Step 3: Cross multiply
    36,490.68x = 50,355.61 × 20,576.61
  4. Step 4: Simplify right side
    36,490.68x = 1,036,147,696.84
  5. Step 5: Solve for x
    x = 1,036,147,696.84/36,490.68
  6. Step 6: Final answer
    x = 28,394.86

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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.