Home / 43,766.12-65,551.26-20,357.48

Finding the Fourth Proportional to 43,766.12, 65,551.26 and 20,357.48

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Solution

The fourth proportional to 43,766.12, 65,551.26 and 20,357.48 is: 30,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,766.12 : 65,551.26 = 20,357.48 : x
  2. Step 2: Convert to fraction form
    43,766.12/65,551.26 = 20,357.48/x
  3. Step 3: Cross multiply
    43,766.12x = 65,551.26 × 20,357.48
  4. Step 4: Simplify right side
    43,766.12x = 1,334,458,464.42
  5. Step 5: Solve for x
    x = 1,334,458,464.42/43,766.12
  6. Step 6: Final answer
    x = 30,490.67

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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.