Home / 31,181.10-43,042.23-19,249.26

Finding the Fourth Proportional to 31,181.10, 43,042.23 and 19,249.26

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Solution

The fourth proportional to 31,181.10, 43,042.23 and 19,249.26 is: 26,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.10 : 43,042.23 = 19,249.26 : x
  2. Step 2: Convert to fraction form
    31,181.10/43,042.23 = 19,249.26/x
  3. Step 3: Cross multiply
    31,181.10x = 43,042.23 × 19,249.26
  4. Step 4: Simplify right side
    31,181.10x = 828,531,076.25
  5. Step 5: Solve for x
    x = 828,531,076.25/31,181.10
  6. Step 6: Final answer
    x = 26,571.58

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1.5x scale

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.