Home / 54,475.92-81,672.34-28,163.88

Finding the Fourth Proportional to 54,475.92, 81,672.34 and 28,163.88

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Solution

The fourth proportional to 54,475.92, 81,672.34 and 28,163.88 is: 42,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,475.92 : 81,672.34 = 28,163.88 : x
  2. Step 2: Convert to fraction form
    54,475.92/81,672.34 = 28,163.88/x
  3. Step 3: Cross multiply
    54,475.92x = 81,672.34 × 28,163.88
  4. Step 4: Simplify right side
    54,475.92x = 2,300,209,983.08
  5. Step 5: Solve for x
    x = 2,300,209,983.08/54,475.92
  6. Step 6: Final answer
    x = 42,224.34

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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.