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Finding the Fourth Proportional to 44,889, 67,333.50 and 17,187

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Solution

The fourth proportional to 44,889, 67,333.50 and 17,187 is: 25,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,889 : 67,333.50 = 17,187 : x
  2. Step 2: Convert to fraction form
    44,889/67,333.50 = 17,187/x
  3. Step 3: Cross multiply
    44,889x = 67,333.50 × 17,187
  4. Step 4: Simplify right side
    44,889x = 1,157,260,864.50
  5. Step 5: Solve for x
    x = 1,157,260,864.50/44,889
  6. Step 6: Final answer
    x = 25,780.50

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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.