Home / 53,964.56-80,958.35-18,906.32

Finding the Fourth Proportional to 53,964.56, 80,958.35 and 18,906.32

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Solution

The fourth proportional to 53,964.56, 80,958.35 and 18,906.32 is: 28,363.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.56 : 80,958.35 = 18,906.32 : x
  2. Step 2: Convert to fraction form
    53,964.56/80,958.35 = 18,906.32/x
  3. Step 3: Cross multiply
    53,964.56x = 80,958.35 × 18,906.32
  4. Step 4: Simplify right side
    53,964.56x = 1,530,624,114.25
  5. Step 5: Solve for x
    x = 1,530,624,114.25/53,964.56
  6. Step 6: Final answer
    x = 28,363.51

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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.