Home / 31,782.33-43,861.41-19,211.13

Finding the Fourth Proportional to 31,782.33, 43,861.41 and 19,211.13

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Solution

The fourth proportional to 31,782.33, 43,861.41 and 19,211.13 is: 26,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.33 : 43,861.41 = 19,211.13 : x
  2. Step 2: Convert to fraction form
    31,782.33/43,861.41 = 19,211.13/x
  3. Step 3: Cross multiply
    31,782.33x = 43,861.41 × 19,211.13
  4. Step 4: Simplify right side
    31,782.33x = 842,627,249.49
  5. Step 5: Solve for x
    x = 842,627,249.49/31,782.33
  6. Step 6: Final answer
    x = 26,512.44

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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.