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Finding the Fourth Proportional to 63,849.86, 95,787.12 and 21,728.24

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Solution

The fourth proportional to 63,849.86, 95,787.12 and 21,728.24 is: 32,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,849.86 : 95,787.12 = 21,728.24 : x
  2. Step 2: Convert to fraction form
    63,849.86/95,787.12 = 21,728.24/x
  3. Step 3: Cross multiply
    63,849.86x = 95,787.12 × 21,728.24
  4. Step 4: Simplify right side
    63,849.86x = 2,081,285,532.27
  5. Step 5: Solve for x
    x = 2,081,285,532.27/63,849.86
  6. Step 6: Final answer
    x = 32,596.56

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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.