Home / 43,716.21-65,574.33-19,672.44

Finding the Fourth Proportional to 43,716.21, 65,574.33 and 19,672.44

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Solution

The fourth proportional to 43,716.21, 65,574.33 and 19,672.44 is: 29,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716.21 : 65,574.33 = 19,672.44 : x
  2. Step 2: Convert to fraction form
    43,716.21/65,574.33 = 19,672.44/x
  3. Step 3: Cross multiply
    43,716.21x = 65,574.33 × 19,672.44
  4. Step 4: Simplify right side
    43,716.21x = 1,290,007,072.47
  5. Step 5: Solve for x
    x = 1,290,007,072.47/43,716.21
  6. Step 6: Final answer
    x = 29,508.67

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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.