Home / 29,311.52-43,940.96-10,578.56

Finding the Fourth Proportional to 29,311.52, 43,940.96 and 10,578.56

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Solution

The fourth proportional to 29,311.52, 43,940.96 and 10,578.56 is: 15,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.52 : 43,940.96 = 10,578.56 : x
  2. Step 2: Convert to fraction form
    29,311.52/43,940.96 = 10,578.56/x
  3. Step 3: Cross multiply
    29,311.52x = 43,940.96 × 10,578.56
  4. Step 4: Simplify right side
    29,311.52x = 464,832,081.82
  5. Step 5: Solve for x
    x = 464,832,081.82/29,311.52
  6. Step 6: Final answer
    x = 15,858.34

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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.