Home / 35,786.54-49,384.68-19,870.04

Finding the Fourth Proportional to 35,786.54, 49,384.68 and 19,870.04

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Solution

The fourth proportional to 35,786.54, 49,384.68 and 19,870.04 is: 27,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.54 : 49,384.68 = 19,870.04 : x
  2. Step 2: Convert to fraction form
    35,786.54/49,384.68 = 19,870.04/x
  3. Step 3: Cross multiply
    35,786.54x = 49,384.68 × 19,870.04
  4. Step 4: Simplify right side
    35,786.54x = 981,275,566.99
  5. Step 5: Solve for x
    x = 981,275,566.99/35,786.54
  6. Step 6: Final answer
    x = 27,420.24

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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.