Home / 33,869.86-50,731.08-20,682.25

Finding the Fourth Proportional to 33,869.86, 50,731.08 and 20,682.25

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Solution

The fourth proportional to 33,869.86, 50,731.08 and 20,682.25 is: 30,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,869.86 : 50,731.08 = 20,682.25 : x
  2. Step 2: Convert to fraction form
    33,869.86/50,731.08 = 20,682.25/x
  3. Step 3: Cross multiply
    33,869.86x = 50,731.08 × 20,682.25
  4. Step 4: Simplify right side
    33,869.86x = 1,049,232,879.33
  5. Step 5: Solve for x
    x = 1,049,232,879.33/33,869.86
  6. Step 6: Final answer
    x = 30,978.36

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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.