Home / 39,860.73-59,786.01-11,780.19

Finding the Fourth Proportional to 39,860.73, 59,786.01 and 11,780.19

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Solution

The fourth proportional to 39,860.73, 59,786.01 and 11,780.19 is: 17,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,860.73 : 59,786.01 = 11,780.19 : x
  2. Step 2: Convert to fraction form
    39,860.73/59,786.01 = 11,780.19/x
  3. Step 3: Cross multiply
    39,860.73x = 59,786.01 × 11,780.19
  4. Step 4: Simplify right side
    39,860.73x = 704,290,557.14
  5. Step 5: Solve for x
    x = 704,290,557.14/39,860.73
  6. Step 6: Final answer
    x = 17,668.78

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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.