Home / 31,827.94-43,922.63-17,680.80

Finding the Fourth Proportional to 31,827.94, 43,922.63 and 17,680.80

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Solution

The fourth proportional to 31,827.94, 43,922.63 and 17,680.80 is: 24,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,827.94 : 43,922.63 = 17,680.80 : x
  2. Step 2: Convert to fraction form
    31,827.94/43,922.63 = 17,680.80/x
  3. Step 3: Cross multiply
    31,827.94x = 43,922.63 × 17,680.80
  4. Step 4: Simplify right side
    31,827.94x = 776,587,236.50
  5. Step 5: Solve for x
    x = 776,587,236.50/31,827.94
  6. Step 6: Final answer
    x = 24,399.54

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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.