Home / 31,420.44-43,361.03-17,081.23

Finding the Fourth Proportional to 31,420.44, 43,361.03 and 17,081.23

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Solution

The fourth proportional to 31,420.44, 43,361.03 and 17,081.23 is: 23,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.44 : 43,361.03 = 17,081.23 : x
  2. Step 2: Convert to fraction form
    31,420.44/43,361.03 = 17,081.23/x
  3. Step 3: Cross multiply
    31,420.44x = 43,361.03 × 17,081.23
  4. Step 4: Simplify right side
    31,420.44x = 740,659,726.47
  5. Step 5: Solve for x
    x = 740,659,726.47/31,420.44
  6. Step 6: Final answer
    x = 23,572.55

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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.