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Finding the Fourth Proportional to 50,781.98, 70,078.02 and 29,560.80

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Solution

The fourth proportional to 50,781.98, 70,078.02 and 29,560.80 is: 40,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,781.98 : 70,078.02 = 29,560.80 : x
  2. Step 2: Convert to fraction form
    50,781.98/70,078.02 = 29,560.80/x
  3. Step 3: Cross multiply
    50,781.98x = 70,078.02 × 29,560.80
  4. Step 4: Simplify right side
    50,781.98x = 2,071,562,333.62
  5. Step 5: Solve for x
    x = 2,071,562,333.62/50,781.98
  6. Step 6: Final answer
    x = 40,793.26

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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.