Home / 53,705.96-80,558.97-20,418.33

Finding the Fourth Proportional to 53,705.96, 80,558.97 and 20,418.33

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Solution

The fourth proportional to 53,705.96, 80,558.97 and 20,418.33 is: 30,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.96 : 80,558.97 = 20,418.33 : x
  2. Step 2: Convert to fraction form
    53,705.96/80,558.97 = 20,418.33/x
  3. Step 3: Cross multiply
    53,705.96x = 80,558.97 × 20,418.33
  4. Step 4: Simplify right side
    53,705.96x = 1,644,879,633.92
  5. Step 5: Solve for x
    x = 1,644,879,633.92/53,705.96
  6. Step 6: Final answer
    x = 30,627.51

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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.