Home / 54,760.66-82,128.43-15,321.76

Finding the Fourth Proportional to 54,760.66, 82,128.43 and 15,321.76

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Solution

The fourth proportional to 54,760.66, 82,128.43 and 15,321.76 is: 22,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.66 : 82,128.43 = 15,321.76 : x
  2. Step 2: Convert to fraction form
    54,760.66/82,128.43 = 15,321.76/x
  3. Step 3: Cross multiply
    54,760.66x = 82,128.43 × 15,321.76
  4. Step 4: Simplify right side
    54,760.66x = 1,258,351,907.47
  5. Step 5: Solve for x
    x = 1,258,351,907.47/54,760.66
  6. Step 6: Final answer
    x = 22,979.12

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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.