Home / 31,816.36-43,876.36-19,067.68

Finding the Fourth Proportional to 31,816.36, 43,876.36 and 19,067.68

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Solution

The fourth proportional to 31,816.36, 43,876.36 and 19,067.68 is: 26,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.36 : 43,876.36 = 19,067.68 : x
  2. Step 2: Convert to fraction form
    31,816.36/43,876.36 = 19,067.68/x
  3. Step 3: Cross multiply
    31,816.36x = 43,876.36 × 19,067.68
  4. Step 4: Simplify right side
    31,816.36x = 836,620,392.04
  5. Step 5: Solve for x
    x = 836,620,392.04/31,816.36
  6. Step 6: Final answer
    x = 26,295.29

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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.