Home / 43,635.36-65,456.64-15,544.56

Finding the Fourth Proportional to 43,635.36, 65,456.64 and 15,544.56

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Solution

The fourth proportional to 43,635.36, 65,456.64 and 15,544.56 is: 23,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,635.36 : 65,456.64 = 15,544.56 : x
  2. Step 2: Convert to fraction form
    43,635.36/65,456.64 = 15,544.56/x
  3. Step 3: Cross multiply
    43,635.36x = 65,456.64 × 15,544.56
  4. Step 4: Simplify right side
    43,635.36x = 1,017,494,667.88
  5. Step 5: Solve for x
    x = 1,017,494,667.88/43,635.36
  6. Step 6: Final answer
    x = 23,318.12

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1.5x scale

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.