Home / 54,345.26-81,642.12-38,589.14

Finding the Fourth Proportional to 54,345.26, 81,642.12 and 38,589.14

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Solution

The fourth proportional to 54,345.26, 81,642.12 and 38,589.14 is: 57,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.26 : 81,642.12 = 38,589.14 : x
  2. Step 2: Convert to fraction form
    54,345.26/81,642.12 = 38,589.14/x
  3. Step 3: Cross multiply
    54,345.26x = 81,642.12 × 38,589.14
  4. Step 4: Simplify right side
    54,345.26x = 3,150,499,198.58
  5. Step 5: Solve for x
    x = 3,150,499,198.58/54,345.26
  6. Step 6: Final answer
    x = 57,971.92

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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.