Home / 35,640.36-49,183.83-19,287.57

Finding the Fourth Proportional to 35,640.36, 49,183.83 and 19,287.57

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Solution

The fourth proportional to 35,640.36, 49,183.83 and 19,287.57 is: 26,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,640.36 : 49,183.83 = 19,287.57 : x
  2. Step 2: Convert to fraction form
    35,640.36/49,183.83 = 19,287.57/x
  3. Step 3: Cross multiply
    35,640.36x = 49,183.83 × 19,287.57
  4. Step 4: Simplify right side
    35,640.36x = 948,636,563.99
  5. Step 5: Solve for x
    x = 948,636,563.99/35,640.36
  6. Step 6: Final answer
    x = 26,616.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.