Home / 35,786.16-49,383.41-19,869.66

Finding the Fourth Proportional to 35,786.16, 49,383.41 and 19,869.66

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Solution

The fourth proportional to 35,786.16, 49,383.41 and 19,869.66 is: 27,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.16 : 49,383.41 = 19,869.66 : x
  2. Step 2: Convert to fraction form
    35,786.16/49,383.41 = 19,869.66/x
  3. Step 3: Cross multiply
    35,786.16x = 49,383.41 × 19,869.66
  4. Step 4: Simplify right side
    35,786.16x = 981,231,466.99
  5. Step 5: Solve for x
    x = 981,231,466.99/35,786.16
  6. Step 6: Final answer
    x = 27,419.30

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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.