Home / 36,815.33-55,221.80-10,520.04

Finding the Fourth Proportional to 36,815.33, 55,221.80 and 10,520.04

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Solution

The fourth proportional to 36,815.33, 55,221.80 and 10,520.04 is: 15,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.33 : 55,221.80 = 10,520.04 : x
  2. Step 2: Convert to fraction form
    36,815.33/55,221.80 = 10,520.04/x
  3. Step 3: Cross multiply
    36,815.33x = 55,221.80 × 10,520.04
  4. Step 4: Simplify right side
    36,815.33x = 580,935,758.53
  5. Step 5: Solve for x
    x = 580,935,758.53/36,815.33
  6. Step 6: Final answer
    x = 15,779.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.