Home / 36,769.41-55,143.15-13,390.38

Finding the Fourth Proportional to 36,769.41, 55,143.15 and 13,390.38

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Solution

The fourth proportional to 36,769.41, 55,143.15 and 13,390.38 is: 20,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,769.41 : 55,143.15 = 13,390.38 : x
  2. Step 2: Convert to fraction form
    36,769.41/55,143.15 = 13,390.38/x
  3. Step 3: Cross multiply
    36,769.41x = 55,143.15 × 13,390.38
  4. Step 4: Simplify right side
    36,769.41x = 738,387,732.90
  5. Step 5: Solve for x
    x = 738,387,732.90/36,769.41
  6. Step 6: Final answer
    x = 20,081.58

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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.