Home / 43,570.28-65,327.34-18,626.60

Finding the Fourth Proportional to 43,570.28, 65,327.34 and 18,626.60

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Solution

The fourth proportional to 43,570.28, 65,327.34 and 18,626.60 is: 27,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570.28 : 65,327.34 = 18,626.60 : x
  2. Step 2: Convert to fraction form
    43,570.28/65,327.34 = 18,626.60/x
  3. Step 3: Cross multiply
    43,570.28x = 65,327.34 × 18,626.60
  4. Step 4: Simplify right side
    43,570.28x = 1,216,826,231.24
  5. Step 5: Solve for x
    x = 1,216,826,231.24/43,570.28
  6. Step 6: Final answer
    x = 27,927.90

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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.