Home / 53,107.00-79,660.49-19,829.66

Finding the Fourth Proportional to 53,107.00, 79,660.49 and 19,829.66

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Solution

The fourth proportional to 53,107.00, 79,660.49 and 19,829.66 is: 29,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.00 : 79,660.49 = 19,829.66 : x
  2. Step 2: Convert to fraction form
    53,107.00/79,660.49 = 19,829.66/x
  3. Step 3: Cross multiply
    53,107.00x = 79,660.49 × 19,829.66
  4. Step 4: Simplify right side
    53,107.00x = 1,579,640,083.41
  5. Step 5: Solve for x
    x = 1,579,640,083.41/53,107.00
  6. Step 6: Final answer
    x = 29,744.48

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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.