Home / 50,828.85-76,236.78-13,391.82

Finding the Fourth Proportional to 50,828.85, 76,236.78 and 13,391.82

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Solution

The fourth proportional to 50,828.85, 76,236.78 and 13,391.82 is: 20,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.85 : 76,236.78 = 13,391.82 : x
  2. Step 2: Convert to fraction form
    50,828.85/76,236.78 = 13,391.82/x
  3. Step 3: Cross multiply
    50,828.85x = 76,236.78 × 13,391.82
  4. Step 4: Simplify right side
    50,828.85x = 1,020,949,235.14
  5. Step 5: Solve for x
    x = 1,020,949,235.14/50,828.85
  6. Step 6: Final answer
    x = 20,086.02

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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.