Home / 54,559.46-81,830.07-15,120.56

Finding the Fourth Proportional to 54,559.46, 81,830.07 and 15,120.56

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Solution

The fourth proportional to 54,559.46, 81,830.07 and 15,120.56 is: 22,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.46 : 81,830.07 = 15,120.56 : x
  2. Step 2: Convert to fraction form
    54,559.46/81,830.07 = 15,120.56/x
  3. Step 3: Cross multiply
    54,559.46x = 81,830.07 × 15,120.56
  4. Step 4: Simplify right side
    54,559.46x = 1,237,316,074.09
  5. Step 5: Solve for x
    x = 1,237,316,074.09/54,559.46
  6. Step 6: Final answer
    x = 22,678.31

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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.