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Finding the Fourth Proportional to 63,952.74, 95,930.96 and 19,578.51

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Solution

The fourth proportional to 63,952.74, 95,930.96 and 19,578.51 is: 29,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,952.74 : 95,930.96 = 19,578.51 : x
  2. Step 2: Convert to fraction form
    63,952.74/95,930.96 = 19,578.51/x
  3. Step 3: Cross multiply
    63,952.74x = 95,930.96 × 19,578.51
  4. Step 4: Simplify right side
    63,952.74x = 1,878,185,161.78
  5. Step 5: Solve for x
    x = 1,878,185,161.78/63,952.74
  6. Step 6: Final answer
    x = 29,368.33

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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.