Home / 31,609.76-47,427.39-14,067.59

Finding the Fourth Proportional to 31,609.76, 47,427.39 and 14,067.59

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Solution

The fourth proportional to 31,609.76, 47,427.39 and 14,067.59 is: 21,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.76 : 47,427.39 = 14,067.59 : x
  2. Step 2: Convert to fraction form
    31,609.76/47,427.39 = 14,067.59/x
  3. Step 3: Cross multiply
    31,609.76x = 47,427.39 × 14,067.59
  4. Step 4: Simplify right side
    31,609.76x = 667,188,840.15
  5. Step 5: Solve for x
    x = 667,188,840.15/31,609.76
  6. Step 6: Final answer
    x = 21,107.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.