Home / 31,165.48-43,007.94-17,018.92

Finding the Fourth Proportional to 31,165.48, 43,007.94 and 17,018.92

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Solution

The fourth proportional to 31,165.48, 43,007.94 and 17,018.92 is: 23,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.48 : 43,007.94 = 17,018.92 : x
  2. Step 2: Convert to fraction form
    31,165.48/43,007.94 = 17,018.92/x
  3. Step 3: Cross multiply
    31,165.48x = 43,007.94 × 17,018.92
  4. Step 4: Simplify right side
    31,165.48x = 731,948,690.22
  5. Step 5: Solve for x
    x = 731,948,690.22/31,165.48
  6. Step 6: Final answer
    x = 23,485.88

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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.