Home / 50,963.60-76,445.40-19,778.60

Finding the Fourth Proportional to 50,963.60, 76,445.40 and 19,778.60

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Solution

The fourth proportional to 50,963.60, 76,445.40 and 19,778.60 is: 29,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.60 : 76,445.40 = 19,778.60 : x
  2. Step 2: Convert to fraction form
    50,963.60/76,445.40 = 19,778.60/x
  3. Step 3: Cross multiply
    50,963.60x = 76,445.40 × 19,778.60
  4. Step 4: Simplify right side
    50,963.60x = 1,511,982,988.44
  5. Step 5: Solve for x
    x = 1,511,982,988.44/50,963.60
  6. Step 6: Final answer
    x = 29,667.90

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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.