Home / 54,743.41-82,115.12-13,190.41

Finding the Fourth Proportional to 54,743.41, 82,115.12 and 13,190.41

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Solution

The fourth proportional to 54,743.41, 82,115.12 and 13,190.41 is: 19,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,743.41 : 82,115.12 = 13,190.41 : x
  2. Step 2: Convert to fraction form
    54,743.41/82,115.12 = 13,190.41/x
  3. Step 3: Cross multiply
    54,743.41x = 82,115.12 × 13,190.41
  4. Step 4: Simplify right side
    54,743.41x = 1,083,132,100.00
  5. Step 5: Solve for x
    x = 1,083,132,100.00/54,743.41
  6. Step 6: Final answer
    x = 19,785.62

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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.