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Finding the Fourth Proportional to 44,883.25, 67,338.54 and 21,208.98

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Solution

The fourth proportional to 44,883.25, 67,338.54 and 21,208.98 is: 31,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,883.25 : 67,338.54 = 21,208.98 : x
  2. Step 2: Convert to fraction form
    44,883.25/67,338.54 = 21,208.98/x
  3. Step 3: Cross multiply
    44,883.25x = 67,338.54 × 21,208.98
  4. Step 4: Simplify right side
    44,883.25x = 1,428,181,748.09
  5. Step 5: Solve for x
    x = 1,428,181,748.09/44,883.25
  6. Step 6: Final answer
    x = 31,819.93

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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.