Home / 36,954.81-55,474.82-21,219.45

Finding the Fourth Proportional to 36,954.81, 55,474.82 and 21,219.45

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Solution

The fourth proportional to 36,954.81, 55,474.82 and 21,219.45 is: 31,853.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,954.81 : 55,474.82 = 21,219.45 : x
  2. Step 2: Convert to fraction form
    36,954.81/55,474.82 = 21,219.45/x
  3. Step 3: Cross multiply
    36,954.81x = 55,474.82 × 21,219.45
  4. Step 4: Simplify right side
    36,954.81x = 1,177,145,063.15
  5. Step 5: Solve for x
    x = 1,177,145,063.15/36,954.81
  6. Step 6: Final answer
    x = 31,853.64

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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.