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Finding the Fourth Proportional to 66,642.47, 99,981.21 and 23,952.21

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Solution

The fourth proportional to 66,642.47, 99,981.21 and 23,952.21 is: 35,934.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,642.47 : 99,981.21 = 23,952.21 : x
  2. Step 2: Convert to fraction form
    66,642.47/99,981.21 = 23,952.21/x
  3. Step 3: Cross multiply
    66,642.47x = 99,981.21 × 23,952.21
  4. Step 4: Simplify right side
    66,642.47x = 2,394,770,937.97
  5. Step 5: Solve for x
    x = 2,394,770,937.97/66,642.47
  6. Step 6: Final answer
    x = 35,934.61

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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.