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Finding the Fourth Proportional to 63,700, 95,550.20 and 19,327.12

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Solution

The fourth proportional to 63,700, 95,550.20 and 19,327.12 is: 28,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700 : 95,550.20 = 19,327.12 : x
  2. Step 2: Convert to fraction form
    63,700/95,550.20 = 19,327.12/x
  3. Step 3: Cross multiply
    63,700x = 95,550.20 × 19,327.12
  4. Step 4: Simplify right side
    63,700x = 1,846,710,181.42
  5. Step 5: Solve for x
    x = 1,846,710,181.42/63,700
  6. Step 6: Final answer
    x = 28,990.74

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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.