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Finding the Fourth Proportional to 44,909.09, 61,978.69 and 25,791.37

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Solution

The fourth proportional to 44,909.09, 61,978.69 and 25,791.37 is: 35,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,909.09 : 61,978.69 = 25,791.37 : x
  2. Step 2: Convert to fraction form
    44,909.09/61,978.69 = 25,791.37/x
  3. Step 3: Cross multiply
    44,909.09x = 61,978.69 × 25,791.37
  4. Step 4: Simplify right side
    44,909.09x = 1,598,515,325.91
  5. Step 5: Solve for x
    x = 1,598,515,325.91/44,909.09
  6. Step 6: Final answer
    x = 35,594.47

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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.