Home / 38,017.94-57,034.50-11,721.68

Finding the Fourth Proportional to 38,017.94, 57,034.50 and 11,721.68

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Solution

The fourth proportional to 38,017.94, 57,034.50 and 11,721.68 is: 17,584.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.94 : 57,034.50 = 11,721.68 : x
  2. Step 2: Convert to fraction form
    38,017.94/57,034.50 = 11,721.68/x
  3. Step 3: Cross multiply
    38,017.94x = 57,034.50 × 11,721.68
  4. Step 4: Simplify right side
    38,017.94x = 668,540,157.96
  5. Step 5: Solve for x
    x = 668,540,157.96/38,017.94
  6. Step 6: Final answer
    x = 17,584.86

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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.