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Finding the Fourth Proportional to 65,367.92, 98,038.97 and 17,970.78

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Solution

The fourth proportional to 65,367.92, 98,038.97 and 17,970.78 is: 26,952.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,367.92 : 98,038.97 = 17,970.78 : x
  2. Step 2: Convert to fraction form
    65,367.92/98,038.97 = 17,970.78/x
  3. Step 3: Cross multiply
    65,367.92x = 98,038.97 × 17,970.78
  4. Step 4: Simplify right side
    65,367.92x = 1,761,836,761.30
  5. Step 5: Solve for x
    x = 1,761,836,761.30/65,367.92
  6. Step 6: Final answer
    x = 26,952.62

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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.