Home / 31,662.88-43,694.40-17,322.46

Finding the Fourth Proportional to 31,662.88, 43,694.40 and 17,322.46

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Solution

The fourth proportional to 31,662.88, 43,694.40 and 17,322.46 is: 23,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.88 : 43,694.40 = 17,322.46 : x
  2. Step 2: Convert to fraction form
    31,662.88/43,694.40 = 17,322.46/x
  3. Step 3: Cross multiply
    31,662.88x = 43,694.40 × 17,322.46
  4. Step 4: Simplify right side
    31,662.88x = 756,894,496.22
  5. Step 5: Solve for x
    x = 756,894,496.22/31,662.88
  6. Step 6: Final answer
    x = 23,904.79

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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.