Home / 47,887.20-71,826.48-16,720.56

Finding the Fourth Proportional to 47,887.20, 71,826.48 and 16,720.56

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Solution

The fourth proportional to 47,887.20, 71,826.48 and 16,720.56 is: 25,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,887.20 : 71,826.48 = 16,720.56 : x
  2. Step 2: Convert to fraction form
    47,887.20/71,826.48 = 16,720.56/x
  3. Step 3: Cross multiply
    47,887.20x = 71,826.48 × 16,720.56
  4. Step 4: Simplify right side
    47,887.20x = 1,200,978,968.43
  5. Step 5: Solve for x
    x = 1,200,978,968.43/47,887.20
  6. Step 6: Final answer
    x = 25,079.33

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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.