Home / 30,906.45-46,310.18-30,086.37

Finding the Fourth Proportional to 30,906.45, 46,310.18 and 30,086.37

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Solution

The fourth proportional to 30,906.45, 46,310.18 and 30,086.37 is: 45,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.45 : 46,310.18 = 30,086.37 : x
  2. Step 2: Convert to fraction form
    30,906.45/46,310.18 = 30,086.37/x
  3. Step 3: Cross multiply
    30,906.45x = 46,310.18 × 30,086.37
  4. Step 4: Simplify right side
    30,906.45x = 1,393,305,059.81
  5. Step 5: Solve for x
    x = 1,393,305,059.81/30,906.45
  6. Step 6: Final answer
    x = 45,081.37

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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.