Home / 51,178.72-76,791.12-27,770.08

Finding the Fourth Proportional to 51,178.72, 76,791.12 and 27,770.08

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Solution

The fourth proportional to 51,178.72, 76,791.12 and 27,770.08 is: 41,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,178.72 : 76,791.12 = 27,770.08 : x
  2. Step 2: Convert to fraction form
    51,178.72/76,791.12 = 27,770.08/x
  3. Step 3: Cross multiply
    51,178.72x = 76,791.12 × 27,770.08
  4. Step 4: Simplify right side
    51,178.72x = 2,132,495,545.69
  5. Step 5: Solve for x
    x = 2,132,495,545.69/51,178.72
  6. Step 6: Final answer
    x = 41,667.62

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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.