Home / 54,118.20-81,190.10-17,182.20

Finding the Fourth Proportional to 54,118.20, 81,190.10 and 17,182.20

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Solution

The fourth proportional to 54,118.20, 81,190.10 and 17,182.20 is: 25,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,118.20 : 81,190.10 = 17,182.20 : x
  2. Step 2: Convert to fraction form
    54,118.20/81,190.10 = 17,182.20/x
  3. Step 3: Cross multiply
    54,118.20x = 81,190.10 × 17,182.20
  4. Step 4: Simplify right side
    54,118.20x = 1,395,024,536.22
  5. Step 5: Solve for x
    x = 1,395,024,536.22/54,118.20
  6. Step 6: Final answer
    x = 25,777.36

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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.