Home / 54,249.04-81,385.17-16,808.28

Finding the Fourth Proportional to 54,249.04, 81,385.17 and 16,808.28

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Solution

The fourth proportional to 54,249.04, 81,385.17 and 16,808.28 is: 25,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,249.04 : 81,385.17 = 16,808.28 : x
  2. Step 2: Convert to fraction form
    54,249.04/81,385.17 = 16,808.28/x
  3. Step 3: Cross multiply
    54,249.04x = 81,385.17 × 16,808.28
  4. Step 4: Simplify right side
    54,249.04x = 1,367,944,725.21
  5. Step 5: Solve for x
    x = 1,367,944,725.21/54,249.04
  6. Step 6: Final answer
    x = 25,216.02

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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.