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Finding the Fourth Proportional to 44,552.75, 66,839.45 and 12,963.56

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Solution

The fourth proportional to 44,552.75, 66,839.45 and 12,963.56 is: 19,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,552.75 : 66,839.45 = 12,963.56 : x
  2. Step 2: Convert to fraction form
    44,552.75/66,839.45 = 12,963.56/x
  3. Step 3: Cross multiply
    44,552.75x = 66,839.45 × 12,963.56
  4. Step 4: Simplify right side
    44,552.75x = 866,476,821.43
  5. Step 5: Solve for x
    x = 866,476,821.43/44,552.75
  6. Step 6: Final answer
    x = 19,448.34

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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.