Home / 43,330.40-65,002.48-18,370.56

Finding the Fourth Proportional to 43,330.40, 65,002.48 and 18,370.56

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Solution

The fourth proportional to 43,330.40, 65,002.48 and 18,370.56 is: 27,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,330.40 : 65,002.48 = 18,370.56 : x
  2. Step 2: Convert to fraction form
    43,330.40/65,002.48 = 18,370.56/x
  3. Step 3: Cross multiply
    43,330.40x = 65,002.48 × 18,370.56
  4. Step 4: Simplify right side
    43,330.40x = 1,194,131,958.99
  5. Step 5: Solve for x
    x = 1,194,131,958.99/43,330.40
  6. Step 6: Final answer
    x = 27,558.76

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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.