Home / 54,555.55-81,830.68-19,015.43

Finding the Fourth Proportional to 54,555.55, 81,830.68 and 19,015.43

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Solution

The fourth proportional to 54,555.55, 81,830.68 and 19,015.43 is: 28,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.55 : 81,830.68 = 19,015.43 : x
  2. Step 2: Convert to fraction form
    54,555.55/81,830.68 = 19,015.43/x
  3. Step 3: Cross multiply
    54,555.55x = 81,830.68 × 19,015.43
  4. Step 4: Simplify right side
    54,555.55x = 1,556,045,158.24
  5. Step 5: Solve for x
    x = 1,556,045,158.24/54,555.55
  6. Step 6: Final answer
    x = 28,522.22

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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.