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Finding the Fourth Proportional to 63,673.26, 87,832.50 and 39,758.42

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Solution

The fourth proportional to 63,673.26, 87,832.50 and 39,758.42 is: 54,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.26 : 87,832.50 = 39,758.42 : x
  2. Step 2: Convert to fraction form
    63,673.26/87,832.50 = 39,758.42/x
  3. Step 3: Cross multiply
    63,673.26x = 87,832.50 × 39,758.42
  4. Step 4: Simplify right side
    63,673.26x = 3,492,081,424.65
  5. Step 5: Solve for x
    x = 3,492,081,424.65/63,673.26
  6. Step 6: Final answer
    x = 54,843.77

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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.