Home / 35,749.06-49,334.61-19,833.78

Finding the Fourth Proportional to 35,749.06, 49,334.61 and 19,833.78

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Solution

The fourth proportional to 35,749.06, 49,334.61 and 19,833.78 is: 27,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,749.06 : 49,334.61 = 19,833.78 : x
  2. Step 2: Convert to fraction form
    35,749.06/49,334.61 = 19,833.78/x
  3. Step 3: Cross multiply
    35,749.06x = 49,334.61 × 19,833.78
  4. Step 4: Simplify right side
    35,749.06x = 978,491,801.13
  5. Step 5: Solve for x
    x = 978,491,801.13/35,749.06
  6. Step 6: Final answer
    x = 27,371.12

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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.