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Finding the Fourth Proportional to 66,960.52, 100,370.70 and 22,571.93

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Solution

The fourth proportional to 66,960.52, 100,370.70 and 22,571.93 is: 33,834.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,960.52 : 100,370.70 = 22,571.93 : x
  2. Step 2: Convert to fraction form
    66,960.52/100,370.70 = 22,571.93/x
  3. Step 3: Cross multiply
    66,960.52x = 100,370.70 × 22,571.93
  4. Step 4: Simplify right side
    66,960.52x = 2,265,560,414.45
  5. Step 5: Solve for x
    x = 2,265,560,414.45/66,960.52
  6. Step 6: Final answer
    x = 33,834.27

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1.5x scale

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.