Home / 54,731.37-82,081.21-18,704.19

Finding the Fourth Proportional to 54,731.37, 82,081.21 and 18,704.19

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Solution

The fourth proportional to 54,731.37, 82,081.21 and 18,704.19 is: 28,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.37 : 82,081.21 = 18,704.19 : x
  2. Step 2: Convert to fraction form
    54,731.37/82,081.21 = 18,704.19/x
  3. Step 3: Cross multiply
    54,731.37x = 82,081.21 × 18,704.19
  4. Step 4: Simplify right side
    54,731.37x = 1,535,262,547.27
  5. Step 5: Solve for x
    x = 1,535,262,547.27/54,731.37
  6. Step 6: Final answer
    x = 28,050.87

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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.