Home / 31,053.20-42,745.20-27,067.36

Finding the Fourth Proportional to 31,053.20, 42,745.20 and 27,067.36

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Solution

The fourth proportional to 31,053.20, 42,745.20 and 27,067.36 is: 37,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053.20 : 42,745.20 = 27,067.36 : x
  2. Step 2: Convert to fraction form
    31,053.20/42,745.20 = 27,067.36/x
  3. Step 3: Cross multiply
    31,053.20x = 42,745.20 × 27,067.36
  4. Step 4: Simplify right side
    31,053.20x = 1,156,999,716.67
  5. Step 5: Solve for x
    x = 1,156,999,716.67/31,053.20
  6. Step 6: Final answer
    x = 37,258.63

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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.