Home / 31,367.97-43,273.17-19,426.95

Finding the Fourth Proportional to 31,367.97, 43,273.17 and 19,426.95

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Solution

The fourth proportional to 31,367.97, 43,273.17 and 19,426.95 is: 26,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.97 : 43,273.17 = 19,426.95 : x
  2. Step 2: Convert to fraction form
    31,367.97/43,273.17 = 19,426.95/x
  3. Step 3: Cross multiply
    31,367.97x = 43,273.17 × 19,426.95
  4. Step 4: Simplify right side
    31,367.97x = 840,665,709.93
  5. Step 5: Solve for x
    x = 840,665,709.93/31,367.97
  6. Step 6: Final answer
    x = 26,800.13

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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.