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Finding the Fourth Proportional to 44,890, 67,335 and 17,188

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Solution

The fourth proportional to 44,890, 67,335 and 17,188 is: 25,782

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,890 : 67,335 = 17,188 : x
  2. Step 2: Convert to fraction form
    44,890/67,335 = 17,188/x
  3. Step 3: Cross multiply
    44,890x = 67,335 × 17,188
  4. Step 4: Simplify right side
    44,890x = 1,157,353,980
  5. Step 5: Solve for x
    x = 1,157,353,980/44,890
  6. Step 6: Final answer
    x = 25,782

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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.