Home / 54,133.38-81,198.18-19,072.26

Finding the Fourth Proportional to 54,133.38, 81,198.18 and 19,072.26

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Solution

The fourth proportional to 54,133.38, 81,198.18 and 19,072.26 is: 28,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.38 : 81,198.18 = 19,072.26 : x
  2. Step 2: Convert to fraction form
    54,133.38/81,198.18 = 19,072.26/x
  3. Step 3: Cross multiply
    54,133.38x = 81,198.18 × 19,072.26
  4. Step 4: Simplify right side
    54,133.38x = 1,548,632,800.49
  5. Step 5: Solve for x
    x = 1,548,632,800.49/54,133.38
  6. Step 6: Final answer
    x = 28,607.72

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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.