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Finding the Fourth Proportional to 44,331, 66,509 and 18,054.60

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Solution

The fourth proportional to 44,331, 66,509 and 18,054.60 is: 27,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,331 : 66,509 = 18,054.60 : x
  2. Step 2: Convert to fraction form
    44,331/66,509 = 18,054.60/x
  3. Step 3: Cross multiply
    44,331x = 66,509 × 18,054.60
  4. Step 4: Simplify right side
    44,331x = 1,200,793,391.40
  5. Step 5: Solve for x
    x = 1,200,793,391.40/44,331
  6. Step 6: Final answer
    x = 27,086.99

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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.