Home / 38,581.77-57,878.04-11,929.94

Finding the Fourth Proportional to 38,581.77, 57,878.04 and 11,929.94

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Solution

The fourth proportional to 38,581.77, 57,878.04 and 11,929.94 is: 17,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.77 : 57,878.04 = 11,929.94 : x
  2. Step 2: Convert to fraction form
    38,581.77/57,878.04 = 11,929.94/x
  3. Step 3: Cross multiply
    38,581.77x = 57,878.04 × 11,929.94
  4. Step 4: Simplify right side
    38,581.77x = 690,481,544.52
  5. Step 5: Solve for x
    x = 690,481,544.52/38,581.77
  6. Step 6: Final answer
    x = 17,896.58

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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.