Home / 51,912.86-77,887.35-16,379.66

Finding the Fourth Proportional to 51,912.86, 77,887.35 and 16,379.66

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Solution

The fourth proportional to 51,912.86, 77,887.35 and 16,379.66 is: 24,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,912.86 : 77,887.35 = 16,379.66 : x
  2. Step 2: Convert to fraction form
    51,912.86/77,887.35 = 16,379.66/x
  3. Step 3: Cross multiply
    51,912.86x = 77,887.35 × 16,379.66
  4. Step 4: Simplify right side
    51,912.86x = 1,275,768,311.30
  5. Step 5: Solve for x
    x = 1,275,768,311.30/51,912.86
  6. Step 6: Final answer
    x = 24,575.19

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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.