Home / 50,751.28-76,148.80-21,174.96

Finding the Fourth Proportional to 50,751.28, 76,148.80 and 21,174.96

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Solution

The fourth proportional to 50,751.28, 76,148.80 and 21,174.96 is: 31,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.28 : 76,148.80 = 21,174.96 : x
  2. Step 2: Convert to fraction form
    50,751.28/76,148.80 = 21,174.96/x
  3. Step 3: Cross multiply
    50,751.28x = 76,148.80 × 21,174.96
  4. Step 4: Simplify right side
    50,751.28x = 1,612,447,794.05
  5. Step 5: Solve for x
    x = 1,612,447,794.05/50,751.28
  6. Step 6: Final answer
    x = 31,771.57

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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.