Home / 31,866.63-43,976.96-17,720.38

Finding the Fourth Proportional to 31,866.63, 43,976.96 and 17,720.38

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Solution

The fourth proportional to 31,866.63, 43,976.96 and 17,720.38 is: 24,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.63 : 43,976.96 = 17,720.38 : x
  2. Step 2: Convert to fraction form
    31,866.63/43,976.96 = 17,720.38/x
  3. Step 3: Cross multiply
    31,866.63x = 43,976.96 × 17,720.38
  4. Step 4: Simplify right side
    31,866.63x = 779,288,442.44
  5. Step 5: Solve for x
    x = 779,288,442.44/31,866.63
  6. Step 6: Final answer
    x = 24,454.69

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Why These Related Problems?

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