Home / 31,354.56-43,269-17,207.04

Finding the Fourth Proportional to 31,354.56, 43,269 and 17,207.04

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Solution

The fourth proportional to 31,354.56, 43,269 and 17,207.04 is: 23,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.56 : 43,269 = 17,207.04 : x
  2. Step 2: Convert to fraction form
    31,354.56/43,269 = 17,207.04/x
  3. Step 3: Cross multiply
    31,354.56x = 43,269 × 17,207.04
  4. Step 4: Simplify right side
    31,354.56x = 744,531,413.76
  5. Step 5: Solve for x
    x = 744,531,413.76/31,354.56
  6. Step 6: Final answer
    x = 23,745.55

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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.