Home / 31,327.56-43,231.73-17,180.37

Finding the Fourth Proportional to 31,327.56, 43,231.73 and 17,180.37

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Solution

The fourth proportional to 31,327.56, 43,231.73 and 17,180.37 is: 23,708.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.56 : 43,231.73 = 17,180.37 : x
  2. Step 2: Convert to fraction form
    31,327.56/43,231.73 = 17,180.37/x
  3. Step 3: Cross multiply
    31,327.56x = 43,231.73 × 17,180.37
  4. Step 4: Simplify right side
    31,327.56x = 742,737,031.24
  5. Step 5: Solve for x
    x = 742,737,031.24/31,327.56
  6. Step 6: Final answer
    x = 23,708.74

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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.