Home / 36,313.92-54,353.52-18,759.60

Finding the Fourth Proportional to 36,313.92, 54,353.52 and 18,759.60

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Solution

The fourth proportional to 36,313.92, 54,353.52 and 18,759.60 is: 28,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.92 : 54,353.52 = 18,759.60 : x
  2. Step 2: Convert to fraction form
    36,313.92/54,353.52 = 18,759.60/x
  3. Step 3: Cross multiply
    36,313.92x = 54,353.52 × 18,759.60
  4. Step 4: Simplify right side
    36,313.92x = 1,019,650,293.79
  5. Step 5: Solve for x
    x = 1,019,650,293.79/36,313.92
  6. Step 6: Final answer
    x = 28,078.77

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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.