Home / 31,731.81-43,789.25-17,584.53

Finding the Fourth Proportional to 31,731.81, 43,789.25 and 17,584.53

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Solution

The fourth proportional to 31,731.81, 43,789.25 and 17,584.53 is: 24,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.81 : 43,789.25 = 17,584.53 : x
  2. Step 2: Convert to fraction form
    31,731.81/43,789.25 = 17,584.53/x
  3. Step 3: Cross multiply
    31,731.81x = 43,789.25 × 17,584.53
  4. Step 4: Simplify right side
    31,731.81x = 770,013,292.38
  5. Step 5: Solve for x
    x = 770,013,292.38/31,731.81
  6. Step 6: Final answer
    x = 24,266.29

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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.