Home / 34,067.36-47,013.71-18,961.56

Finding the Fourth Proportional to 34,067.36, 47,013.71 and 18,961.56

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Solution

The fourth proportional to 34,067.36, 47,013.71 and 18,961.56 is: 26,167.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,067.36 : 47,013.71 = 18,961.56 : x
  2. Step 2: Convert to fraction form
    34,067.36/47,013.71 = 18,961.56/x
  3. Step 3: Cross multiply
    34,067.36x = 47,013.71 × 18,961.56
  4. Step 4: Simplify right side
    34,067.36x = 891,453,188.18
  5. Step 5: Solve for x
    x = 891,453,188.18/34,067.36
  6. Step 6: Final answer
    x = 26,167.37

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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.