Home / 30,790.57-46,183.74-18,946.25

Finding the Fourth Proportional to 30,790.57, 46,183.74 and 18,946.25

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Solution

The fourth proportional to 30,790.57, 46,183.74 and 18,946.25 is: 28,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,790.57 : 46,183.74 = 18,946.25 : x
  2. Step 2: Convert to fraction form
    30,790.57/46,183.74 = 18,946.25/x
  3. Step 3: Cross multiply
    30,790.57x = 46,183.74 × 18,946.25
  4. Step 4: Simplify right side
    30,790.57x = 875,008,974.84
  5. Step 5: Solve for x
    x = 875,008,974.84/30,790.57
  6. Step 6: Final answer
    x = 28,418.08

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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.