Home / 20,739.26-31,102.51-5,944.21

Finding the Fourth Proportional to 20,739.26, 31,102.51 and 5,944.21

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Solution

The fourth proportional to 20,739.26, 31,102.51 and 5,944.21 is: 8,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739.26 : 31,102.51 = 5,944.21 : x
  2. Step 2: Convert to fraction form
    20,739.26/31,102.51 = 5,944.21/x
  3. Step 3: Cross multiply
    20,739.26x = 31,102.51 × 5,944.21
  4. Step 4: Simplify right side
    20,739.26x = 184,879,850.97
  5. Step 5: Solve for x
    x = 184,879,850.97/20,739.26
  6. Step 6: Final answer
    x = 8,914.49

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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.