Home / 54,272.90-81,418.59-18,724.58

Finding the Fourth Proportional to 54,272.90, 81,418.59 and 18,724.58

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Solution

The fourth proportional to 54,272.90, 81,418.59 and 18,724.58 is: 28,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.90 : 81,418.59 = 18,724.58 : x
  2. Step 2: Convert to fraction form
    54,272.90/81,418.59 = 18,724.58/x
  3. Step 3: Cross multiply
    54,272.90x = 81,418.59 × 18,724.58
  4. Step 4: Simplify right side
    54,272.90x = 1,524,529,105.49
  5. Step 5: Solve for x
    x = 1,524,529,105.49/54,272.90
  6. Step 6: Final answer
    x = 28,090.06

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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.