Home / 31,682.64-43,721.34-17,342.46

Finding the Fourth Proportional to 31,682.64, 43,721.34 and 17,342.46

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Solution

The fourth proportional to 31,682.64, 43,721.34 and 17,342.46 is: 23,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,682.64 : 43,721.34 = 17,342.46 : x
  2. Step 2: Convert to fraction form
    31,682.64/43,721.34 = 17,342.46/x
  3. Step 3: Cross multiply
    31,682.64x = 43,721.34 × 17,342.46
  4. Step 4: Simplify right side
    31,682.64x = 758,235,590.10
  5. Step 5: Solve for x
    x = 758,235,590.10/31,682.64
  6. Step 6: Final answer
    x = 23,932.21

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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.