Home / 53,591.88-80,383.62-20,308.92

Finding the Fourth Proportional to 53,591.88, 80,383.62 and 20,308.92

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Solution

The fourth proportional to 53,591.88, 80,383.62 and 20,308.92 is: 30,461.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591.88 : 80,383.62 = 20,308.92 : x
  2. Step 2: Convert to fraction form
    53,591.88/80,383.62 = 20,308.92/x
  3. Step 3: Cross multiply
    53,591.88x = 80,383.62 × 20,308.92
  4. Step 4: Simplify right side
    53,591.88x = 1,632,504,507.89
  5. Step 5: Solve for x
    x = 1,632,504,507.89/53,591.88
  6. Step 6: Final answer
    x = 30,461.79

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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.