Home / 51,840.20-77,772.67-16,779.87

Finding the Fourth Proportional to 51,840.20, 77,772.67 and 16,779.87

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Solution

The fourth proportional to 51,840.20, 77,772.67 and 16,779.87 is: 25,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.20 : 77,772.67 = 16,779.87 : x
  2. Step 2: Convert to fraction form
    51,840.20/77,772.67 = 16,779.87/x
  3. Step 3: Cross multiply
    51,840.20x = 77,772.67 × 16,779.87
  4. Step 4: Simplify right side
    51,840.20x = 1,305,015,250.20
  5. Step 5: Solve for x
    x = 1,305,015,250.20/51,840.20
  6. Step 6: Final answer
    x = 25,173.81

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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.