Home / 51,268.20-76,887.90-16,218.60

Finding the Fourth Proportional to 51,268.20, 76,887.90 and 16,218.60

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Solution

The fourth proportional to 51,268.20, 76,887.90 and 16,218.60 is: 24,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.20 : 76,887.90 = 16,218.60 : x
  2. Step 2: Convert to fraction form
    51,268.20/76,887.90 = 16,218.60/x
  3. Step 3: Cross multiply
    51,268.20x = 76,887.90 × 16,218.60
  4. Step 4: Simplify right side
    51,268.20x = 1,247,014,094.94
  5. Step 5: Solve for x
    x = 1,247,014,094.94/51,268.20
  6. Step 6: Final answer
    x = 24,323.34

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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.