Home / 54,519.48-81,730.62-19,451.34

Finding the Fourth Proportional to 54,519.48, 81,730.62 and 19,451.34

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Solution

The fourth proportional to 54,519.48, 81,730.62 and 19,451.34 is: 29,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.48 : 81,730.62 = 19,451.34 : x
  2. Step 2: Convert to fraction form
    54,519.48/81,730.62 = 19,451.34/x
  3. Step 3: Cross multiply
    54,519.48x = 81,730.62 × 19,451.34
  4. Step 4: Simplify right side
    54,519.48x = 1,589,770,078.03
  5. Step 5: Solve for x
    x = 1,589,770,078.03/54,519.48
  6. Step 6: Final answer
    x = 29,159.67

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1.5x scale

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.