Home / 20,362.82-30,544.64-5,571.63

Finding the Fourth Proportional to 20,362.82, 30,544.64 and 5,571.63

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Solution

The fourth proportional to 20,362.82, 30,544.64 and 5,571.63 is: 8,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.82 : 30,544.64 = 5,571.63 : x
  2. Step 2: Convert to fraction form
    20,362.82/30,544.64 = 5,571.63/x
  3. Step 3: Cross multiply
    20,362.82x = 30,544.64 × 5,571.63
  4. Step 4: Simplify right side
    20,362.82x = 170,183,404.71
  5. Step 5: Solve for x
    x = 170,183,404.71/20,362.82
  6. Step 6: Final answer
    x = 8,357.56

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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.