Home / 31,618.73-43,630.57-17,469.65

Finding the Fourth Proportional to 31,618.73, 43,630.57 and 17,469.65

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Solution

The fourth proportional to 31,618.73, 43,630.57 and 17,469.65 is: 24,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.73 : 43,630.57 = 17,469.65 : x
  2. Step 2: Convert to fraction form
    31,618.73/43,630.57 = 17,469.65/x
  3. Step 3: Cross multiply
    31,618.73x = 43,630.57 × 17,469.65
  4. Step 4: Simplify right side
    31,618.73x = 762,210,787.20
  5. Step 5: Solve for x
    x = 762,210,787.20/31,618.73
  6. Step 6: Final answer
    x = 24,106.31

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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.