Home / 20,244.96-30,365.19-5,455.35

Finding the Fourth Proportional to 20,244.96, 30,365.19 and 5,455.35

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Solution

The fourth proportional to 20,244.96, 30,365.19 and 5,455.35 is: 8,182.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.96 : 30,365.19 = 5,455.35 : x
  2. Step 2: Convert to fraction form
    20,244.96/30,365.19 = 5,455.35/x
  3. Step 3: Cross multiply
    20,244.96x = 30,365.19 × 5,455.35
  4. Step 4: Simplify right side
    20,244.96x = 165,652,739.27
  5. Step 5: Solve for x
    x = 165,652,739.27/20,244.96
  6. Step 6: Final answer
    x = 8,182.42

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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.