Home / 49,027.58-67,662.63-28,890.71

Finding the Fourth Proportional to 49,027.58, 67,662.63 and 28,890.71

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Solution

The fourth proportional to 49,027.58, 67,662.63 and 28,890.71 is: 39,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,027.58 : 67,662.63 = 28,890.71 : x
  2. Step 2: Convert to fraction form
    49,027.58/67,662.63 = 28,890.71/x
  3. Step 3: Cross multiply
    49,027.58x = 67,662.63 × 28,890.71
  4. Step 4: Simplify right side
    49,027.58x = 1,954,821,082.85
  5. Step 5: Solve for x
    x = 1,954,821,082.85/49,027.58
  6. Step 6: Final answer
    x = 39,871.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.