Home / 54,194.40-81,324-19,163.52

Finding the Fourth Proportional to 54,194.40, 81,324 and 19,163.52

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Solution

The fourth proportional to 54,194.40, 81,324 and 19,163.52 is: 28,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.40 : 81,324 = 19,163.52 : x
  2. Step 2: Convert to fraction form
    54,194.40/81,324 = 19,163.52/x
  3. Step 3: Cross multiply
    54,194.40x = 81,324 × 19,163.52
  4. Step 4: Simplify right side
    54,194.40x = 1,558,454,100.48
  5. Step 5: Solve for x
    x = 1,558,454,100.48/54,194.40
  6. Step 6: Final answer
    x = 28,756.74

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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.