Home / 31,568.49-43,564.37-17,422.20

Finding the Fourth Proportional to 31,568.49, 43,564.37 and 17,422.20

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Solution

The fourth proportional to 31,568.49, 43,564.37 and 17,422.20 is: 24,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,568.49 : 43,564.37 = 17,422.20 : x
  2. Step 2: Convert to fraction form
    31,568.49/43,564.37 = 17,422.20/x
  3. Step 3: Cross multiply
    31,568.49x = 43,564.37 × 17,422.20
  4. Step 4: Simplify right side
    31,568.49x = 758,987,079.90
  5. Step 5: Solve for x
    x = 758,987,079.90/31,568.49
  6. Step 6: Final answer
    x = 24,042.55

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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.