Home / 30,984.24-46,450.24-13,440.84

Finding the Fourth Proportional to 30,984.24, 46,450.24 and 13,440.84

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Solution

The fourth proportional to 30,984.24, 46,450.24 and 13,440.84 is: 20,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.24 : 46,450.24 = 13,440.84 : x
  2. Step 2: Convert to fraction form
    30,984.24/46,450.24 = 13,440.84/x
  3. Step 3: Cross multiply
    30,984.24x = 46,450.24 × 13,440.84
  4. Step 4: Simplify right side
    30,984.24x = 624,330,243.80
  5. Step 5: Solve for x
    x = 624,330,243.80/30,984.24
  6. Step 6: Final answer
    x = 20,149.93

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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.