Home / 30,928.23-46,409.15-13,399.43

Finding the Fourth Proportional to 30,928.23, 46,409.15 and 13,399.43

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Solution

The fourth proportional to 30,928.23, 46,409.15 and 13,399.43 is: 20,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,928.23 : 46,409.15 = 13,399.43 : x
  2. Step 2: Convert to fraction form
    30,928.23/46,409.15 = 13,399.43/x
  3. Step 3: Cross multiply
    30,928.23x = 46,409.15 × 13,399.43
  4. Step 4: Simplify right side
    30,928.23x = 621,855,958.24
  5. Step 5: Solve for x
    x = 621,855,958.24/30,928.23
  6. Step 6: Final answer
    x = 20,106.42

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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.