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Finding the Fourth Proportional to 33,051.88, 45,543.78 and 30,718.44

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Solution

The fourth proportional to 33,051.88, 45,543.78 and 30,718.44 is: 42,328.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,051.88 : 45,543.78 = 30,718.44 : x
  2. Step 2: Convert to fraction form
    33,051.88/45,543.78 = 30,718.44/x
  3. Step 3: Cross multiply
    33,051.88x = 45,543.78 × 30,718.44
  4. Step 4: Simplify right side
    33,051.88x = 1,399,033,873.30
  5. Step 5: Solve for x
    x = 1,399,033,873.30/33,051.88
  6. Step 6: Final answer
    x = 42,328.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.