Home / 31,619-43,630.44-17,469.92

Finding the Fourth Proportional to 31,619, 43,630.44 and 17,469.92

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Solution

The fourth proportional to 31,619, 43,630.44 and 17,469.92 is: 24,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619 : 43,630.44 = 17,469.92 : x
  2. Step 2: Convert to fraction form
    31,619/43,630.44 = 17,469.92/x
  3. Step 3: Cross multiply
    31,619x = 43,630.44 × 17,469.92
  4. Step 4: Simplify right side
    31,619x = 762,220,296.36
  5. Step 5: Solve for x
    x = 762,220,296.36/31,619
  6. Step 6: Final answer
    x = 24,106.40

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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.