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Finding the Fourth Proportional to 63,227.16, 94,809.15 and 21,092.58

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Solution

The fourth proportional to 63,227.16, 94,809.15 and 21,092.58 is: 31,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,227.16 : 94,809.15 = 21,092.58 : x
  2. Step 2: Convert to fraction form
    63,227.16/94,809.15 = 21,092.58/x
  3. Step 3: Cross multiply
    63,227.16x = 94,809.15 × 21,092.58
  4. Step 4: Simplify right side
    63,227.16x = 1,999,769,581.11
  5. Step 5: Solve for x
    x = 1,999,769,581.11/63,227.16
  6. Step 6: Final answer
    x = 31,628.33

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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.