Home / 31,644.46-43,673.88-19,711.54

Finding the Fourth Proportional to 31,644.46, 43,673.88 and 19,711.54

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Solution

The fourth proportional to 31,644.46, 43,673.88 and 19,711.54 is: 27,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,644.46 : 43,673.88 = 19,711.54 : x
  2. Step 2: Convert to fraction form
    31,644.46/43,673.88 = 19,711.54/x
  3. Step 3: Cross multiply
    31,644.46x = 43,673.88 × 19,711.54
  4. Step 4: Simplify right side
    31,644.46x = 860,879,432.58
  5. Step 5: Solve for x
    x = 860,879,432.58/31,644.46
  6. Step 6: Final answer
    x = 27,204.74

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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.