Home / 30,993.18-46,463.64-13,449.79

Finding the Fourth Proportional to 30,993.18, 46,463.64 and 13,449.79

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Solution

The fourth proportional to 30,993.18, 46,463.64 and 13,449.79 is: 20,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,993.18 : 46,463.64 = 13,449.79 : x
  2. Step 2: Convert to fraction form
    30,993.18/46,463.64 = 13,449.79/x
  3. Step 3: Cross multiply
    30,993.18x = 46,463.64 × 13,449.79
  4. Step 4: Simplify right side
    30,993.18x = 624,926,200.64
  5. Step 5: Solve for x
    x = 624,926,200.64/30,993.18
  6. Step 6: Final answer
    x = 20,163.35

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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.