Home / 50,723.76-76,070.74-19,111

Finding the Fourth Proportional to 50,723.76, 76,070.74 and 19,111

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Solution

The fourth proportional to 50,723.76, 76,070.74 and 19,111 is: 28,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,723.76 : 76,070.74 = 19,111 : x
  2. Step 2: Convert to fraction form
    50,723.76/76,070.74 = 19,111/x
  3. Step 3: Cross multiply
    50,723.76x = 76,070.74 × 19,111
  4. Step 4: Simplify right side
    50,723.76x = 1,453,787,912.14
  5. Step 5: Solve for x
    x = 1,453,787,912.14/50,723.76
  6. Step 6: Final answer
    x = 28,660.89

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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.