Home / 31,731.40-43,787.70-17,584.12

Finding the Fourth Proportional to 31,731.40, 43,787.70 and 17,584.12

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Solution

The fourth proportional to 31,731.40, 43,787.70 and 17,584.12 is: 24,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.40 : 43,787.70 = 17,584.12 : x
  2. Step 2: Convert to fraction form
    31,731.40/43,787.70 = 17,584.12/x
  3. Step 3: Cross multiply
    31,731.40x = 43,787.70 × 17,584.12
  4. Step 4: Simplify right side
    31,731.40x = 769,968,171.32
  5. Step 5: Solve for x
    x = 769,968,171.32/31,731.40
  6. Step 6: Final answer
    x = 24,265.18

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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.