Home / 35,383.08-53,016.30-20,550.36

Finding the Fourth Proportional to 35,383.08, 53,016.30 and 20,550.36

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Solution

The fourth proportional to 35,383.08, 53,016.30 and 20,550.36 is: 30,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,383.08 : 53,016.30 = 20,550.36 : x
  2. Step 2: Convert to fraction form
    35,383.08/53,016.30 = 20,550.36/x
  3. Step 3: Cross multiply
    35,383.08x = 53,016.30 × 20,550.36
  4. Step 4: Simplify right side
    35,383.08x = 1,089,504,050.87
  5. Step 5: Solve for x
    x = 1,089,504,050.87/35,383.08
  6. Step 6: Final answer
    x = 30,791.67

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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.