Home / 55,134.11-82,728.53-21,853.44

Finding the Fourth Proportional to 55,134.11, 82,728.53 and 21,853.44

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Solution

The fourth proportional to 55,134.11, 82,728.53 and 21,853.44 is: 32,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.11 : 82,728.53 = 21,853.44 : x
  2. Step 2: Convert to fraction form
    55,134.11/82,728.53 = 21,853.44/x
  3. Step 3: Cross multiply
    55,134.11x = 82,728.53 × 21,853.44
  4. Step 4: Simplify right side
    55,134.11x = 1,807,902,857.38
  5. Step 5: Solve for x
    x = 1,807,902,857.38/55,134.11
  6. Step 6: Final answer
    x = 32,791.01

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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.