Home / 53,501.07-80,207.82-20,202.24

Finding the Fourth Proportional to 53,501.07, 80,207.82 and 20,202.24

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Solution

The fourth proportional to 53,501.07, 80,207.82 and 20,202.24 is: 30,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,501.07 : 80,207.82 = 20,202.24 : x
  2. Step 2: Convert to fraction form
    53,501.07/80,207.82 = 20,202.24/x
  3. Step 3: Cross multiply
    53,501.07x = 80,207.82 × 20,202.24
  4. Step 4: Simplify right side
    53,501.07x = 1,620,377,629.52
  5. Step 5: Solve for x
    x = 1,620,377,629.52/53,501.07
  6. Step 6: Final answer
    x = 30,286.83

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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.