Home / 31,536.44-43,520.36-17,389.28

Finding the Fourth Proportional to 31,536.44, 43,520.36 and 17,389.28

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Solution

The fourth proportional to 31,536.44, 43,520.36 and 17,389.28 is: 23,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.44 : 43,520.36 = 17,389.28 : x
  2. Step 2: Convert to fraction form
    31,536.44/43,520.36 = 17,389.28/x
  3. Step 3: Cross multiply
    31,536.44x = 43,520.36 × 17,389.28
  4. Step 4: Simplify right side
    31,536.44x = 756,787,747.60
  5. Step 5: Solve for x
    x = 756,787,747.60/31,536.44
  6. Step 6: Final answer
    x = 23,997.25

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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.