Home / 31,712.31-43,763.29-17,372.48

Finding the Fourth Proportional to 31,712.31, 43,763.29 and 17,372.48

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Solution

The fourth proportional to 31,712.31, 43,763.29 and 17,372.48 is: 23,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.31 : 43,763.29 = 17,372.48 : x
  2. Step 2: Convert to fraction form
    31,712.31/43,763.29 = 17,372.48/x
  3. Step 3: Cross multiply
    31,712.31x = 43,763.29 × 17,372.48
  4. Step 4: Simplify right side
    31,712.31x = 760,276,618.01
  5. Step 5: Solve for x
    x = 760,276,618.01/31,712.31
  6. Step 6: Final answer
    x = 23,974.18

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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.