Home / 31,837.74-43,937.49-17,690.61

Finding the Fourth Proportional to 31,837.74, 43,937.49 and 17,690.61

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Solution

The fourth proportional to 31,837.74, 43,937.49 and 17,690.61 is: 24,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,837.74 : 43,937.49 = 17,690.61 : x
  2. Step 2: Convert to fraction form
    31,837.74/43,937.49 = 17,690.61/x
  3. Step 3: Cross multiply
    31,837.74x = 43,937.49 × 17,690.61
  4. Step 4: Simplify right side
    31,837.74x = 777,280,999.97
  5. Step 5: Solve for x
    x = 777,280,999.97/31,837.74
  6. Step 6: Final answer
    x = 24,413.82

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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.