Home / 31,627.40-43,648.07-17,479.94

Finding the Fourth Proportional to 31,627.40, 43,648.07 and 17,479.94

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Solution

The fourth proportional to 31,627.40, 43,648.07 and 17,479.94 is: 24,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,627.40 : 43,648.07 = 17,479.94 : x
  2. Step 2: Convert to fraction form
    31,627.40/43,648.07 = 17,479.94/x
  3. Step 3: Cross multiply
    31,627.40x = 43,648.07 × 17,479.94
  4. Step 4: Simplify right side
    31,627.40x = 762,965,339.08
  5. Step 5: Solve for x
    x = 762,965,339.08/31,627.40
  6. Step 6: Final answer
    x = 24,123.56

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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.