Home / 31,121.31-46,640.10-17,060.25

Finding the Fourth Proportional to 31,121.31, 46,640.10 and 17,060.25

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Solution

The fourth proportional to 31,121.31, 46,640.10 and 17,060.25 is: 25,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.31 : 46,640.10 = 17,060.25 : x
  2. Step 2: Convert to fraction form
    31,121.31/46,640.10 = 17,060.25/x
  3. Step 3: Cross multiply
    31,121.31x = 46,640.10 × 17,060.25
  4. Step 4: Simplify right side
    31,121.31x = 795,691,766.03
  5. Step 5: Solve for x
    x = 795,691,766.03/31,121.31
  6. Step 6: Final answer
    x = 25,567.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.