Home / 40,729.36-61,121.72-22,015.14

Finding the Fourth Proportional to 40,729.36, 61,121.72 and 22,015.14

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Solution

The fourth proportional to 40,729.36, 61,121.72 and 22,015.14 is: 33,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.36 : 61,121.72 = 22,015.14 : x
  2. Step 2: Convert to fraction form
    40,729.36/61,121.72 = 22,015.14/x
  3. Step 3: Cross multiply
    40,729.36x = 61,121.72 × 22,015.14
  4. Step 4: Simplify right side
    40,729.36x = 1,345,603,222.84
  5. Step 5: Solve for x
    x = 1,345,603,222.84/40,729.36
  6. Step 6: Final answer
    x = 33,037.67

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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.