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Finding the Fourth Proportional to 65,552.27, 98,343 and 18,801.50

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Solution

The fourth proportional to 65,552.27, 98,343 and 18,801.50 is: 28,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,552.27 : 98,343 = 18,801.50 : x
  2. Step 2: Convert to fraction form
    65,552.27/98,343 = 18,801.50/x
  3. Step 3: Cross multiply
    65,552.27x = 98,343 × 18,801.50
  4. Step 4: Simplify right side
    65,552.27x = 1,848,995,914.50
  5. Step 5: Solve for x
    x = 1,848,995,914.50/65,552.27
  6. Step 6: Final answer
    x = 28,206.44

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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.