Home / 54,266.76-81,405.53-18,723.38

Finding the Fourth Proportional to 54,266.76, 81,405.53 and 18,723.38

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Solution

The fourth proportional to 54,266.76, 81,405.53 and 18,723.38 is: 28,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,266.76 : 81,405.53 = 18,723.38 : x
  2. Step 2: Convert to fraction form
    54,266.76/81,405.53 = 18,723.38/x
  3. Step 3: Cross multiply
    54,266.76x = 81,405.53 × 18,723.38
  4. Step 4: Simplify right side
    54,266.76x = 1,524,186,523.47
  5. Step 5: Solve for x
    x = 1,524,186,523.47/54,266.76
  6. Step 6: Final answer
    x = 28,086.93

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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.