Home / 51,294.25-76,951.35-19,702

Finding the Fourth Proportional to 51,294.25, 76,951.35 and 19,702

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Solution

The fourth proportional to 51,294.25, 76,951.35 and 19,702 is: 29,556.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294.25 : 76,951.35 = 19,702 : x
  2. Step 2: Convert to fraction form
    51,294.25/76,951.35 = 19,702/x
  3. Step 3: Cross multiply
    51,294.25x = 76,951.35 × 19,702
  4. Step 4: Simplify right side
    51,294.25x = 1,516,095,497.70
  5. Step 5: Solve for x
    x = 1,516,095,497.70/51,294.25
  6. Step 6: Final answer
    x = 29,556.83

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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.