Home / 31,679.56-43,717.14-17,531.56

Finding the Fourth Proportional to 31,679.56, 43,717.14 and 17,531.56

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Solution

The fourth proportional to 31,679.56, 43,717.14 and 17,531.56 is: 24,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.56 : 43,717.14 = 17,531.56 : x
  2. Step 2: Convert to fraction form
    31,679.56/43,717.14 = 17,531.56/x
  3. Step 3: Cross multiply
    31,679.56x = 43,717.14 × 17,531.56
  4. Step 4: Simplify right side
    31,679.56x = 766,429,662.94
  5. Step 5: Solve for x
    x = 766,429,662.94/31,679.56
  6. Step 6: Final answer
    x = 24,193.19

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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.