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Finding the Fourth Proportional to 67,774.52, 101,661.78 and 18,526.52

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Solution

The fourth proportional to 67,774.52, 101,661.78 and 18,526.52 is: 27,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,774.52 : 101,661.78 = 18,526.52 : x
  2. Step 2: Convert to fraction form
    67,774.52/101,661.78 = 18,526.52/x
  3. Step 3: Cross multiply
    67,774.52x = 101,661.78 × 18,526.52
  4. Step 4: Simplify right side
    67,774.52x = 1,883,439,000.41
  5. Step 5: Solve for x
    x = 1,883,439,000.41/67,774.52
  6. Step 6: Final answer
    x = 27,789.78

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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.