Home / 35,858.43-49,480.85-19,940.31

Finding the Fourth Proportional to 35,858.43, 49,480.85 and 19,940.31

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Solution

The fourth proportional to 35,858.43, 49,480.85 and 19,940.31 is: 27,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.43 : 49,480.85 = 19,940.31 : x
  2. Step 2: Convert to fraction form
    35,858.43/49,480.85 = 19,940.31/x
  3. Step 3: Cross multiply
    35,858.43x = 49,480.85 × 19,940.31
  4. Step 4: Simplify right side
    35,858.43x = 986,663,388.36
  5. Step 5: Solve for x
    x = 986,663,388.36/35,858.43
  6. Step 6: Final answer
    x = 27,515.52

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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.