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Finding the Fourth Proportional to 62,870, 94,305 and 19,094

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Solution

The fourth proportional to 62,870, 94,305 and 19,094 is: 28,641

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,870 : 94,305 = 19,094 : x
  2. Step 2: Convert to fraction form
    62,870/94,305 = 19,094/x
  3. Step 3: Cross multiply
    62,870x = 94,305 × 19,094
  4. Step 4: Simplify right side
    62,870x = 1,800,659,670
  5. Step 5: Solve for x
    x = 1,800,659,670/62,870
  6. Step 6: Final answer
    x = 28,641

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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.