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Finding the Fourth Proportional to 63,670.50, 95,505.75 and 19,894.50

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Solution

The fourth proportional to 63,670.50, 95,505.75 and 19,894.50 is: 29,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.50 : 95,505.75 = 19,894.50 : x
  2. Step 2: Convert to fraction form
    63,670.50/95,505.75 = 19,894.50/x
  3. Step 3: Cross multiply
    63,670.50x = 95,505.75 × 19,894.50
  4. Step 4: Simplify right side
    63,670.50x = 1,900,039,143.38
  5. Step 5: Solve for x
    x = 1,900,039,143.38/63,670.50
  6. Step 6: Final answer
    x = 29,841.75

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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.