Home / 31,335.73-43,243.06-17,188.48

Finding the Fourth Proportional to 31,335.73, 43,243.06 and 17,188.48

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Solution

The fourth proportional to 31,335.73, 43,243.06 and 17,188.48 is: 23,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.73 : 43,243.06 = 17,188.48 : x
  2. Step 2: Convert to fraction form
    31,335.73/43,243.06 = 17,188.48/x
  3. Step 3: Cross multiply
    31,335.73x = 43,243.06 × 17,188.48
  4. Step 4: Simplify right side
    31,335.73x = 743,282,471.95
  5. Step 5: Solve for x
    x = 743,282,471.95/31,335.73
  6. Step 6: Final answer
    x = 23,719.97

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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.