Home / 50,821.41-76,218.33-21,233.05

Finding the Fourth Proportional to 50,821.41, 76,218.33 and 21,233.05

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Solution

The fourth proportional to 50,821.41, 76,218.33 and 21,233.05 is: 31,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.41 : 76,218.33 = 21,233.05 : x
  2. Step 2: Convert to fraction form
    50,821.41/76,218.33 = 21,233.05/x
  3. Step 3: Cross multiply
    50,821.41x = 76,218.33 × 21,233.05
  4. Step 4: Simplify right side
    50,821.41x = 1,618,347,611.81
  5. Step 5: Solve for x
    x = 1,618,347,611.81/50,821.41
  6. Step 6: Final answer
    x = 31,843.82

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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.