Home / 30,194.20-41,688.30-23,107.96

Finding the Fourth Proportional to 30,194.20, 41,688.30 and 23,107.96

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Solution

The fourth proportional to 30,194.20, 41,688.30 and 23,107.96 is: 31,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.20 : 41,688.30 = 23,107.96 : x
  2. Step 2: Convert to fraction form
    30,194.20/41,688.30 = 23,107.96/x
  3. Step 3: Cross multiply
    30,194.20x = 41,688.30 × 23,107.96
  4. Step 4: Simplify right side
    30,194.20x = 963,331,568.87
  5. Step 5: Solve for x
    x = 963,331,568.87/30,194.20
  6. Step 6: Final answer
    x = 31,904.52

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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.