Home / 54,090.69-81,127.27-18,550.59

Finding the Fourth Proportional to 54,090.69, 81,127.27 and 18,550.59

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Solution

The fourth proportional to 54,090.69, 81,127.27 and 18,550.59 is: 27,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.69 : 81,127.27 = 18,550.59 : x
  2. Step 2: Convert to fraction form
    54,090.69/81,127.27 = 18,550.59/x
  3. Step 3: Cross multiply
    54,090.69x = 81,127.27 × 18,550.59
  4. Step 4: Simplify right side
    54,090.69x = 1,504,958,442.55
  5. Step 5: Solve for x
    x = 1,504,958,442.55/54,090.69
  6. Step 6: Final answer
    x = 27,822.88

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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.