Home / 30,166.09-41,627.32-18,222.37

Finding the Fourth Proportional to 30,166.09, 41,627.32 and 18,222.37

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Solution

The fourth proportional to 30,166.09, 41,627.32 and 18,222.37 is: 25,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.09 : 41,627.32 = 18,222.37 : x
  2. Step 2: Convert to fraction form
    30,166.09/41,627.32 = 18,222.37/x
  3. Step 3: Cross multiply
    30,166.09x = 41,627.32 × 18,222.37
  4. Step 4: Simplify right side
    30,166.09x = 758,548,427.15
  5. Step 5: Solve for x
    x = 758,548,427.15/30,166.09
  6. Step 6: Final answer
    x = 25,145.73

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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.