Home / 31,393.71-43,322.49-17,246.58

Finding the Fourth Proportional to 31,393.71, 43,322.49 and 17,246.58

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Solution

The fourth proportional to 31,393.71, 43,322.49 and 17,246.58 is: 23,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.71 : 43,322.49 = 17,246.58 : x
  2. Step 2: Convert to fraction form
    31,393.71/43,322.49 = 17,246.58/x
  3. Step 3: Cross multiply
    31,393.71x = 43,322.49 × 17,246.58
  4. Step 4: Simplify right side
    31,393.71x = 747,164,789.58
  5. Step 5: Solve for x
    x = 747,164,789.58/31,393.71
  6. Step 6: Final answer
    x = 23,799.82

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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.