Home / 54,514.88-81,714-28,193.12

Finding the Fourth Proportional to 54,514.88, 81,714 and 28,193.12

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Solution

The fourth proportional to 54,514.88, 81,714 and 28,193.12 is: 42,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,514.88 : 81,714 = 28,193.12 : x
  2. Step 2: Convert to fraction form
    54,514.88/81,714 = 28,193.12/x
  3. Step 3: Cross multiply
    54,514.88x = 81,714 × 28,193.12
  4. Step 4: Simplify right side
    54,514.88x = 2,303,772,607.68
  5. Step 5: Solve for x
    x = 2,303,772,607.68/54,514.88
  6. Step 6: Final answer
    x = 42,259.52

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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.