Home / 20,601.99-30,903.75-5,811.31

Finding the Fourth Proportional to 20,601.99, 30,903.75 and 5,811.31

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Solution

The fourth proportional to 20,601.99, 30,903.75 and 5,811.31 is: 8,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.99 : 30,903.75 = 5,811.31 : x
  2. Step 2: Convert to fraction form
    20,601.99/30,903.75 = 5,811.31/x
  3. Step 3: Cross multiply
    20,601.99x = 30,903.75 × 5,811.31
  4. Step 4: Simplify right side
    20,601.99x = 179,591,102.37
  5. Step 5: Solve for x
    x = 179,591,102.37/20,601.99
  6. Step 6: Final answer
    x = 8,717.17

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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.