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Finding the Fourth Proportional to 63,644.54, 95,467.31 and 19,274.76

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Solution

The fourth proportional to 63,644.54, 95,467.31 and 19,274.76 is: 28,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,644.54 : 95,467.31 = 19,274.76 : x
  2. Step 2: Convert to fraction form
    63,644.54/95,467.31 = 19,274.76/x
  3. Step 3: Cross multiply
    63,644.54x = 95,467.31 × 19,274.76
  4. Step 4: Simplify right side
    63,644.54x = 1,840,109,464.00
  5. Step 5: Solve for x
    x = 1,840,109,464.00/63,644.54
  6. Step 6: Final answer
    x = 28,912.29

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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.