Home / 20,739.32-31,099.60-5,944.84

Finding the Fourth Proportional to 20,739.32, 31,099.60 and 5,944.84

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Solution

The fourth proportional to 20,739.32, 31,099.60 and 5,944.84 is: 8,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739.32 : 31,099.60 = 5,944.84 : x
  2. Step 2: Convert to fraction form
    20,739.32/31,099.60 = 5,944.84/x
  3. Step 3: Cross multiply
    20,739.32x = 31,099.60 × 5,944.84
  4. Step 4: Simplify right side
    20,739.32x = 184,882,146.06
  5. Step 5: Solve for x
    x = 184,882,146.06/20,739.32
  6. Step 6: Final answer
    x = 8,914.57

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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.