Home / 39,908.14-59,871.59-11,828.42

Finding the Fourth Proportional to 39,908.14, 59,871.59 and 11,828.42

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Solution

The fourth proportional to 39,908.14, 59,871.59 and 11,828.42 is: 17,745.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.14 : 59,871.59 = 11,828.42 : x
  2. Step 2: Convert to fraction form
    39,908.14/59,871.59 = 11,828.42/x
  3. Step 3: Cross multiply
    39,908.14x = 59,871.59 × 11,828.42
  4. Step 4: Simplify right side
    39,908.14x = 708,186,491.84
  5. Step 5: Solve for x
    x = 708,186,491.84/39,908.14
  6. Step 6: Final answer
    x = 17,745.42

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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.