Home / 29,143.99-43,759.73-16,678.09

Finding the Fourth Proportional to 29,143.99, 43,759.73 and 16,678.09

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Solution

The fourth proportional to 29,143.99, 43,759.73 and 16,678.09 is: 25,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.99 : 43,759.73 = 16,678.09 : x
  2. Step 2: Convert to fraction form
    29,143.99/43,759.73 = 16,678.09/x
  3. Step 3: Cross multiply
    29,143.99x = 43,759.73 × 16,678.09
  4. Step 4: Simplify right side
    29,143.99x = 729,828,715.32
  5. Step 5: Solve for x
    x = 729,828,715.32/29,143.99
  6. Step 6: Final answer
    x = 25,042.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.