Home / 39,660.21-59,481.09-11,574.36

Finding the Fourth Proportional to 39,660.21, 59,481.09 and 11,574.36

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Solution

The fourth proportional to 39,660.21, 59,481.09 and 11,574.36 is: 17,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,660.21 : 59,481.09 = 11,574.36 : x
  2. Step 2: Convert to fraction form
    39,660.21/59,481.09 = 11,574.36/x
  3. Step 3: Cross multiply
    39,660.21x = 59,481.09 × 11,574.36
  4. Step 4: Simplify right side
    39,660.21x = 688,455,548.85
  5. Step 5: Solve for x
    x = 688,455,548.85/39,660.21
  6. Step 6: Final answer
    x = 17,358.85

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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.