Home / 20,744.34-31,121.91-5,954.37

Finding the Fourth Proportional to 20,744.34, 31,121.91 and 5,954.37

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Solution

The fourth proportional to 20,744.34, 31,121.91 and 5,954.37 is: 8,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.34 : 31,121.91 = 5,954.37 : x
  2. Step 2: Convert to fraction form
    20,744.34/31,121.91 = 5,954.37/x
  3. Step 3: Cross multiply
    20,744.34x = 31,121.91 × 5,954.37
  4. Step 4: Simplify right side
    20,744.34x = 185,311,367.25
  5. Step 5: Solve for x
    x = 185,311,367.25/20,744.34
  6. Step 6: Final answer
    x = 8,933.10

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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.