Home / 31,403.73-43,335.97-17,974.63

Finding the Fourth Proportional to 31,403.73, 43,335.97 and 17,974.63

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Solution

The fourth proportional to 31,403.73, 43,335.97 and 17,974.63 is: 24,804.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.73 : 43,335.97 = 17,974.63 : x
  2. Step 2: Convert to fraction form
    31,403.73/43,335.97 = 17,974.63/x
  3. Step 3: Cross multiply
    31,403.73x = 43,335.97 × 17,974.63
  4. Step 4: Simplify right side
    31,403.73x = 778,948,283.94
  5. Step 5: Solve for x
    x = 778,948,283.94/31,403.73
  6. Step 6: Final answer
    x = 24,804.33

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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.