Home / 31,467.96-43,426.08-17,321.09

Finding the Fourth Proportional to 31,467.96, 43,426.08 and 17,321.09

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Solution

The fourth proportional to 31,467.96, 43,426.08 and 17,321.09 is: 23,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.96 : 43,426.08 = 17,321.09 : x
  2. Step 2: Convert to fraction form
    31,467.96/43,426.08 = 17,321.09/x
  3. Step 3: Cross multiply
    31,467.96x = 43,426.08 × 17,321.09
  4. Step 4: Simplify right side
    31,467.96x = 752,186,822.90
  5. Step 5: Solve for x
    x = 752,186,822.90/31,467.96
  6. Step 6: Final answer
    x = 23,903.26

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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.