Home / 54,769.20-82,218.60-31,095.60

Finding the Fourth Proportional to 54,769.20, 82,218.60 and 31,095.60

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Solution

The fourth proportional to 54,769.20, 82,218.60 and 31,095.60 is: 46,680.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,769.20 : 82,218.60 = 31,095.60 : x
  2. Step 2: Convert to fraction form
    54,769.20/82,218.60 = 31,095.60/x
  3. Step 3: Cross multiply
    54,769.20x = 82,218.60 × 31,095.60
  4. Step 4: Simplify right side
    54,769.20x = 2,556,636,698.16
  5. Step 5: Solve for x
    x = 2,556,636,698.16/54,769.20
  6. Step 6: Final answer
    x = 46,680.19

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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.