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Finding the Fourth Proportional to 34,959.44, 52,341.48 and 18,891.44

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Solution

The fourth proportional to 34,959.44, 52,341.48 and 18,891.44 is: 28,284.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,959.44 : 52,341.48 = 18,891.44 : x
  2. Step 2: Convert to fraction form
    34,959.44/52,341.48 = 18,891.44/x
  3. Step 3: Cross multiply
    34,959.44x = 52,341.48 × 18,891.44
  4. Step 4: Simplify right side
    34,959.44x = 988,805,928.93
  5. Step 5: Solve for x
    x = 988,805,928.93/34,959.44
  6. Step 6: Final answer
    x = 28,284.38

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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.