Home / 38,212.70-57,289.28-18,211.77

Finding the Fourth Proportional to 38,212.70, 57,289.28 and 18,211.77

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Solution

The fourth proportional to 38,212.70, 57,289.28 and 18,211.77 is: 27,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,212.70 : 57,289.28 = 18,211.77 : x
  2. Step 2: Convert to fraction form
    38,212.70/57,289.28 = 18,211.77/x
  3. Step 3: Cross multiply
    38,212.70x = 57,289.28 × 18,211.77
  4. Step 4: Simplify right side
    38,212.70x = 1,043,339,099.77
  5. Step 5: Solve for x
    x = 1,043,339,099.77/38,212.70
  6. Step 6: Final answer
    x = 27,303.47

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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.