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Finding the Fourth Proportional to 43,831, 60,487.74 and 23,959

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Solution

The fourth proportional to 43,831, 60,487.74 and 23,959 is: 33,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,831 : 60,487.74 = 23,959 : x
  2. Step 2: Convert to fraction form
    43,831/60,487.74 = 23,959/x
  3. Step 3: Cross multiply
    43,831x = 60,487.74 × 23,959
  4. Step 4: Simplify right side
    43,831x = 1,449,225,762.66
  5. Step 5: Solve for x
    x = 1,449,225,762.66/43,831
  6. Step 6: Final answer
    x = 33,063.94

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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.