Home / 54,655.29-81,993.31-19,126.71

Finding the Fourth Proportional to 54,655.29, 81,993.31 and 19,126.71

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Solution

The fourth proportional to 54,655.29, 81,993.31 and 19,126.71 is: 28,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,655.29 : 81,993.31 = 19,126.71 : x
  2. Step 2: Convert to fraction form
    54,655.29/81,993.31 = 19,126.71/x
  3. Step 3: Cross multiply
    54,655.29x = 81,993.31 × 19,126.71
  4. Step 4: Simplify right side
    54,655.29x = 1,568,262,322.08
  5. Step 5: Solve for x
    x = 1,568,262,322.08/54,655.29
  6. Step 6: Final answer
    x = 28,693.70

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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.