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Finding the Fourth Proportional to 51,896.99, 77,817.65 and 16,351.67

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Solution

The fourth proportional to 51,896.99, 77,817.65 and 16,351.67 is: 24,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,896.99 : 77,817.65 = 16,351.67 : x
  2. Step 2: Convert to fraction form
    51,896.99/77,817.65 = 16,351.67/x
  3. Step 3: Cross multiply
    51,896.99x = 77,817.65 × 16,351.67
  4. Step 4: Simplify right side
    51,896.99x = 1,272,448,451.22
  5. Step 5: Solve for x
    x = 1,272,448,451.22/51,896.99
  6. Step 6: Final answer
    x = 24,518.73

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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.