Home / 33,729.80-50,589.93-21,211.65

Finding the Fourth Proportional to 33,729.80, 50,589.93 and 21,211.65

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Solution

The fourth proportional to 33,729.80, 50,589.93 and 21,211.65 is: 31,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,729.80 : 50,589.93 = 21,211.65 : x
  2. Step 2: Convert to fraction form
    33,729.80/50,589.93 = 21,211.65/x
  3. Step 3: Cross multiply
    33,729.80x = 50,589.93 × 21,211.65
  4. Step 4: Simplify right side
    33,729.80x = 1,073,095,888.68
  5. Step 5: Solve for x
    x = 1,073,095,888.68/33,729.80
  6. Step 6: Final answer
    x = 31,814.48

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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.