Home / 30,947.15-46,436.06-12,240.60

Finding the Fourth Proportional to 30,947.15, 46,436.06 and 12,240.60

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Solution

The fourth proportional to 30,947.15, 46,436.06 and 12,240.60 is: 18,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947.15 : 46,436.06 = 12,240.60 : x
  2. Step 2: Convert to fraction form
    30,947.15/46,436.06 = 12,240.60/x
  3. Step 3: Cross multiply
    30,947.15x = 46,436.06 × 12,240.60
  4. Step 4: Simplify right side
    30,947.15x = 568,405,174.83
  5. Step 5: Solve for x
    x = 568,405,174.83/30,947.15
  6. Step 6: Final answer
    x = 18,366.97

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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.