Home / 54,731.88-82,081.96-18,704.70

Finding the Fourth Proportional to 54,731.88, 82,081.96 and 18,704.70

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Solution

The fourth proportional to 54,731.88, 82,081.96 and 18,704.70 is: 28,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.88 : 82,081.96 = 18,704.70 : x
  2. Step 2: Convert to fraction form
    54,731.88/82,081.96 = 18,704.70/x
  3. Step 3: Cross multiply
    54,731.88x = 82,081.96 × 18,704.70
  4. Step 4: Simplify right side
    54,731.88x = 1,535,318,437.21
  5. Step 5: Solve for x
    x = 1,535,318,437.21/54,731.88
  6. Step 6: Final answer
    x = 28,051.63

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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.