Home / 38,504.72-57,759.14-12,211.52

Finding the Fourth Proportional to 38,504.72, 57,759.14 and 12,211.52

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Solution

The fourth proportional to 38,504.72, 57,759.14 and 12,211.52 is: 18,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.72 : 57,759.14 = 12,211.52 : x
  2. Step 2: Convert to fraction form
    38,504.72/57,759.14 = 12,211.52/x
  3. Step 3: Cross multiply
    38,504.72x = 57,759.14 × 12,211.52
  4. Step 4: Simplify right side
    38,504.72x = 705,326,635.03
  5. Step 5: Solve for x
    x = 705,326,635.03/38,504.72
  6. Step 6: Final answer
    x = 18,317.93

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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.