Home / 31,161.09-43,022.94-19,241.94

Finding the Fourth Proportional to 31,161.09, 43,022.94 and 19,241.94

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Solution

The fourth proportional to 31,161.09, 43,022.94 and 19,241.94 is: 26,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.09 : 43,022.94 = 19,241.94 : x
  2. Step 2: Convert to fraction form
    31,161.09/43,022.94 = 19,241.94/x
  3. Step 3: Cross multiply
    31,161.09x = 43,022.94 × 19,241.94
  4. Step 4: Simplify right side
    31,161.09x = 827,844,830.10
  5. Step 5: Solve for x
    x = 827,844,830.10/31,161.09
  6. Step 6: Final answer
    x = 26,566.62

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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.