Home / 36,768.41-55,141.65-13,389.38

Finding the Fourth Proportional to 36,768.41, 55,141.65 and 13,389.38

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Solution

The fourth proportional to 36,768.41, 55,141.65 and 13,389.38 is: 20,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768.41 : 55,141.65 = 13,389.38 : x
  2. Step 2: Convert to fraction form
    36,768.41/55,141.65 = 13,389.38/x
  3. Step 3: Cross multiply
    36,768.41x = 55,141.65 × 13,389.38
  4. Step 4: Simplify right side
    36,768.41x = 738,312,229.97
  5. Step 5: Solve for x
    x = 738,312,229.97/36,768.41
  6. Step 6: Final answer
    x = 20,080.07

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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.