Home / 19,820.82-29,731.17-5,029.71

Finding the Fourth Proportional to 19,820.82, 29,731.17 and 5,029.71

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Solution

The fourth proportional to 19,820.82, 29,731.17 and 5,029.71 is: 7,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.82 : 29,731.17 = 5,029.71 : x
  2. Step 2: Convert to fraction form
    19,820.82/29,731.17 = 5,029.71/x
  3. Step 3: Cross multiply
    19,820.82x = 29,731.17 × 5,029.71
  4. Step 4: Simplify right side
    19,820.82x = 149,539,163.06
  5. Step 5: Solve for x
    x = 149,539,163.06/19,820.82
  6. Step 6: Final answer
    x = 7,544.55

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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.