Home / 53,975.12-80,944.72-18,906.44

Finding the Fourth Proportional to 53,975.12, 80,944.72 and 18,906.44

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Solution

The fourth proportional to 53,975.12, 80,944.72 and 18,906.44 is: 28,353.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,975.12 : 80,944.72 = 18,906.44 : x
  2. Step 2: Convert to fraction form
    53,975.12/80,944.72 = 18,906.44/x
  3. Step 3: Cross multiply
    53,975.12x = 80,944.72 × 18,906.44
  4. Step 4: Simplify right side
    53,975.12x = 1,530,376,492.00
  5. Step 5: Solve for x
    x = 1,530,376,492.00/53,975.12
  6. Step 6: Final answer
    x = 28,353.37

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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.