Home / 38,143.69-57,215.54-11,848.43

Finding the Fourth Proportional to 38,143.69, 57,215.54 and 11,848.43

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Solution

The fourth proportional to 38,143.69, 57,215.54 and 11,848.43 is: 17,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.69 : 57,215.54 = 11,848.43 : x
  2. Step 2: Convert to fraction form
    38,143.69/57,215.54 = 11,848.43/x
  3. Step 3: Cross multiply
    38,143.69x = 57,215.54 × 11,848.43
  4. Step 4: Simplify right side
    38,143.69x = 677,914,493.26
  5. Step 5: Solve for x
    x = 677,914,493.26/38,143.69
  6. Step 6: Final answer
    x = 17,772.65

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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.