Home / 30,958.14-46,409.67-13,418.40

Finding the Fourth Proportional to 30,958.14, 46,409.67 and 13,418.40

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Solution

The fourth proportional to 30,958.14, 46,409.67 and 13,418.40 is: 20,115.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.14 : 46,409.67 = 13,418.40 : x
  2. Step 2: Convert to fraction form
    30,958.14/46,409.67 = 13,418.40/x
  3. Step 3: Cross multiply
    30,958.14x = 46,409.67 × 13,418.40
  4. Step 4: Simplify right side
    30,958.14x = 622,743,515.93
  5. Step 5: Solve for x
    x = 622,743,515.93/30,958.14
  6. Step 6: Final answer
    x = 20,115.66

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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.