Home / 20,610.39-30,916.87-5,820.44

Finding the Fourth Proportional to 20,610.39, 30,916.87 and 5,820.44

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Solution

The fourth proportional to 20,610.39, 30,916.87 and 5,820.44 is: 8,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.39 : 30,916.87 = 5,820.44 : x
  2. Step 2: Convert to fraction form
    20,610.39/30,916.87 = 5,820.44/x
  3. Step 3: Cross multiply
    20,610.39x = 30,916.87 × 5,820.44
  4. Step 4: Simplify right side
    20,610.39x = 179,949,786.82
  5. Step 5: Solve for x
    x = 179,949,786.82/20,610.39
  6. Step 6: Final answer
    x = 8,731.02

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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.