Home / 31,787.46-43,865.46-17,447.58

Finding the Fourth Proportional to 31,787.46, 43,865.46 and 17,447.58

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Solution

The fourth proportional to 31,787.46, 43,865.46 and 17,447.58 is: 24,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,787.46 : 43,865.46 = 17,447.58 : x
  2. Step 2: Convert to fraction form
    31,787.46/43,865.46 = 17,447.58/x
  3. Step 3: Cross multiply
    31,787.46x = 43,865.46 × 17,447.58
  4. Step 4: Simplify right side
    31,787.46x = 765,346,122.59
  5. Step 5: Solve for x
    x = 765,346,122.59/31,787.46
  6. Step 6: Final answer
    x = 24,076.98

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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.