Home / 31,786.41-43,860.38-19,036.61

Finding the Fourth Proportional to 31,786.41, 43,860.38 and 19,036.61

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Solution

The fourth proportional to 31,786.41, 43,860.38 and 19,036.61 is: 26,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.41 : 43,860.38 = 19,036.61 : x
  2. Step 2: Convert to fraction form
    31,786.41/43,860.38 = 19,036.61/x
  3. Step 3: Cross multiply
    31,786.41x = 43,860.38 × 19,036.61
  4. Step 4: Simplify right side
    31,786.41x = 834,952,634.03
  5. Step 5: Solve for x
    x = 834,952,634.03/31,786.41
  6. Step 6: Final answer
    x = 26,267.60

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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.