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Finding the Fourth Proportional to 36,532.72, 50,415.24 and 19,765.72

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Solution

The fourth proportional to 36,532.72, 50,415.24 and 19,765.72 is: 27,276.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,532.72 : 50,415.24 = 19,765.72 : x
  2. Step 2: Convert to fraction form
    36,532.72/50,415.24 = 19,765.72/x
  3. Step 3: Cross multiply
    36,532.72x = 50,415.24 × 19,765.72
  4. Step 4: Simplify right side
    36,532.72x = 996,493,517.57
  5. Step 5: Solve for x
    x = 996,493,517.57/36,532.72
  6. Step 6: Final answer
    x = 27,276.74

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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.