Home / 54,193.99-81,316.91-19,150.15

Finding the Fourth Proportional to 54,193.99, 81,316.91 and 19,150.15

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Solution

The fourth proportional to 54,193.99, 81,316.91 and 19,150.15 is: 28,734.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.99 : 81,316.91 = 19,150.15 : x
  2. Step 2: Convert to fraction form
    54,193.99/81,316.91 = 19,150.15/x
  3. Step 3: Cross multiply
    54,193.99x = 81,316.91 × 19,150.15
  4. Step 4: Simplify right side
    54,193.99x = 1,557,231,024.04
  5. Step 5: Solve for x
    x = 1,557,231,024.04/54,193.99
  6. Step 6: Final answer
    x = 28,734.39

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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.