Home / 37,729.53-52,063.70-21,815.01

Finding the Fourth Proportional to 37,729.53, 52,063.70 and 21,815.01

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Solution

The fourth proportional to 37,729.53, 52,063.70 and 21,815.01 is: 30,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,729.53 : 52,063.70 = 21,815.01 : x
  2. Step 2: Convert to fraction form
    37,729.53/52,063.70 = 21,815.01/x
  3. Step 3: Cross multiply
    37,729.53x = 52,063.70 × 21,815.01
  4. Step 4: Simplify right side
    37,729.53x = 1,135,770,027.06
  5. Step 5: Solve for x
    x = 1,135,770,027.06/37,729.53
  6. Step 6: Final answer
    x = 30,102.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.