Home / 57,383.28-86,072.52-19,951.83

Finding the Fourth Proportional to 57,383.28, 86,072.52 and 19,951.83

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Solution

The fourth proportional to 57,383.28, 86,072.52 and 19,951.83 is: 29,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,383.28 : 86,072.52 = 19,951.83 : x
  2. Step 2: Convert to fraction form
    57,383.28/86,072.52 = 19,951.83/x
  3. Step 3: Cross multiply
    57,383.28x = 86,072.52 × 19,951.83
  4. Step 4: Simplify right side
    57,383.28x = 1,717,304,286.71
  5. Step 5: Solve for x
    x = 1,717,304,286.71/57,383.28
  6. Step 6: Final answer
    x = 29,926.91

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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.