Home / 30,850.30-46,280.31-11,133.69

Finding the Fourth Proportional to 30,850.30, 46,280.31 and 11,133.69

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Solution

The fourth proportional to 30,850.30, 46,280.31 and 11,133.69 is: 16,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.30 : 46,280.31 = 11,133.69 : x
  2. Step 2: Convert to fraction form
    30,850.30/46,280.31 = 11,133.69/x
  3. Step 3: Cross multiply
    30,850.30x = 46,280.31 × 11,133.69
  4. Step 4: Simplify right side
    30,850.30x = 515,270,624.64
  5. Step 5: Solve for x
    x = 515,270,624.64/30,850.30
  6. Step 6: Final answer
    x = 16,702.29

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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.