Home / 31,712.49-43,763.22-17,372.34

Finding the Fourth Proportional to 31,712.49, 43,763.22 and 17,372.34

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Solution

The fourth proportional to 31,712.49, 43,763.22 and 17,372.34 is: 23,973.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.49 : 43,763.22 = 17,372.34 : x
  2. Step 2: Convert to fraction form
    31,712.49/43,763.22 = 17,372.34/x
  3. Step 3: Cross multiply
    31,712.49x = 43,763.22 × 17,372.34
  4. Step 4: Simplify right side
    31,712.49x = 760,269,537.33
  5. Step 5: Solve for x
    x = 760,269,537.33/31,712.49
  6. Step 6: Final answer
    x = 23,973.82

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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.