Home / 54,165.48-81,260.36-19,105.44

Finding the Fourth Proportional to 54,165.48, 81,260.36 and 19,105.44

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Solution

The fourth proportional to 54,165.48, 81,260.36 and 19,105.44 is: 28,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,165.48 : 81,260.36 = 19,105.44 : x
  2. Step 2: Convert to fraction form
    54,165.48/81,260.36 = 19,105.44/x
  3. Step 3: Cross multiply
    54,165.48x = 81,260.36 × 19,105.44
  4. Step 4: Simplify right side
    54,165.48x = 1,552,514,932.36
  5. Step 5: Solve for x
    x = 1,552,514,932.36/54,165.48
  6. Step 6: Final answer
    x = 28,662.44

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1.5x scale

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.