Home / 39,767.44-59,660.92-19,786.36

Finding the Fourth Proportional to 39,767.44, 59,660.92 and 19,786.36

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Solution

The fourth proportional to 39,767.44, 59,660.92 and 19,786.36 is: 29,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.44 : 59,660.92 = 19,786.36 : x
  2. Step 2: Convert to fraction form
    39,767.44/59,660.92 = 19,786.36/x
  3. Step 3: Cross multiply
    39,767.44x = 59,660.92 × 19,786.36
  4. Step 4: Simplify right side
    39,767.44x = 1,180,472,441.05
  5. Step 5: Solve for x
    x = 1,180,472,441.05/39,767.44
  6. Step 6: Final answer
    x = 29,684.40

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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.