Home / 54,345.81-81,508.35-16,906.35

Finding the Fourth Proportional to 54,345.81, 81,508.35 and 16,906.35

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Solution

The fourth proportional to 54,345.81, 81,508.35 and 16,906.35 is: 25,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.81 : 81,508.35 = 16,906.35 : x
  2. Step 2: Convert to fraction form
    54,345.81/81,508.35 = 16,906.35/x
  3. Step 3: Cross multiply
    54,345.81x = 81,508.35 × 16,906.35
  4. Step 4: Simplify right side
    54,345.81x = 1,378,008,326.80
  5. Step 5: Solve for x
    x = 1,378,008,326.80/54,345.81
  6. Step 6: Final answer
    x = 25,356.29

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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.