Home / 41,418.36-57,159.74-31,191.09

Finding the Fourth Proportional to 41,418.36, 57,159.74 and 31,191.09

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Solution

The fourth proportional to 41,418.36, 57,159.74 and 31,191.09 is: 43,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,418.36 : 57,159.74 = 31,191.09 : x
  2. Step 2: Convert to fraction form
    41,418.36/57,159.74 = 31,191.09/x
  3. Step 3: Cross multiply
    41,418.36x = 57,159.74 × 31,191.09
  4. Step 4: Simplify right side
    41,418.36x = 1,782,874,594.72
  5. Step 5: Solve for x
    x = 1,782,874,594.72/41,418.36
  6. Step 6: Final answer
    x = 43,045.51

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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.