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Finding the Fourth Proportional to 50,893.72, 76,351.65 and 15,836.20

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Solution

The fourth proportional to 50,893.72, 76,351.65 and 15,836.20 is: 23,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,893.72 : 76,351.65 = 15,836.20 : x
  2. Step 2: Convert to fraction form
    50,893.72/76,351.65 = 15,836.20/x
  3. Step 3: Cross multiply
    50,893.72x = 76,351.65 × 15,836.20
  4. Step 4: Simplify right side
    50,893.72x = 1,209,119,999.73
  5. Step 5: Solve for x
    x = 1,209,119,999.73/50,893.72
  6. Step 6: Final answer
    x = 23,757.74

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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.