Home / 31,480.22-47,205.26-18,336.34

Finding the Fourth Proportional to 31,480.22, 47,205.26 and 18,336.34

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Solution

The fourth proportional to 31,480.22, 47,205.26 and 18,336.34 is: 27,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.22 : 47,205.26 = 18,336.34 : x
  2. Step 2: Convert to fraction form
    31,480.22/47,205.26 = 18,336.34/x
  3. Step 3: Cross multiply
    31,480.22x = 47,205.26 × 18,336.34
  4. Step 4: Simplify right side
    31,480.22x = 865,571,697.15
  5. Step 5: Solve for x
    x = 865,571,697.15/31,480.22
  6. Step 6: Final answer
    x = 27,495.73

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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.