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Finding the Fourth Proportional to 48,276.88, 66,622.08 and 29,414.08

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Solution

The fourth proportional to 48,276.88, 66,622.08 and 29,414.08 is: 40,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,276.88 : 66,622.08 = 29,414.08 : x
  2. Step 2: Convert to fraction form
    48,276.88/66,622.08 = 29,414.08/x
  3. Step 3: Cross multiply
    48,276.88x = 66,622.08 × 29,414.08
  4. Step 4: Simplify right side
    48,276.88x = 1,959,627,190.89
  5. Step 5: Solve for x
    x = 1,959,627,190.89/48,276.88
  6. Step 6: Final answer
    x = 40,591.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.