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Finding the Fourth Proportional to 44,634, 66,960.72 and 16,932

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Solution

The fourth proportional to 44,634, 66,960.72 and 16,932 is: 25,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,634 : 66,960.72 = 16,932 : x
  2. Step 2: Convert to fraction form
    44,634/66,960.72 = 16,932/x
  3. Step 3: Cross multiply
    44,634x = 66,960.72 × 16,932
  4. Step 4: Simplify right side
    44,634x = 1,133,778,911.04
  5. Step 5: Solve for x
    x = 1,133,778,911.04/44,634
  6. Step 6: Final answer
    x = 25,401.69

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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.