Home / 30,949.70-46,393.79-18,450.99

Finding the Fourth Proportional to 30,949.70, 46,393.79 and 18,450.99

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Solution

The fourth proportional to 30,949.70, 46,393.79 and 18,450.99 is: 27,658.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.70 : 46,393.79 = 18,450.99 : x
  2. Step 2: Convert to fraction form
    30,949.70/46,393.79 = 18,450.99/x
  3. Step 3: Cross multiply
    30,949.70x = 46,393.79 × 18,450.99
  4. Step 4: Simplify right side
    30,949.70x = 856,011,314.99
  5. Step 5: Solve for x
    x = 856,011,314.99/30,949.70
  6. Step 6: Final answer
    x = 27,658.15

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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.