Home / 30,847.80-46,243.62-11,121.87

Finding the Fourth Proportional to 30,847.80, 46,243.62 and 11,121.87

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Solution

The fourth proportional to 30,847.80, 46,243.62 and 11,121.87 is: 16,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.80 : 46,243.62 = 11,121.87 : x
  2. Step 2: Convert to fraction form
    30,847.80/46,243.62 = 11,121.87/x
  3. Step 3: Cross multiply
    30,847.80x = 46,243.62 × 11,121.87
  4. Step 4: Simplify right side
    30,847.80x = 514,315,529.97
  5. Step 5: Solve for x
    x = 514,315,529.97/30,847.80
  6. Step 6: Final answer
    x = 16,672.68

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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.