Home / 54,172.73-81,244.54-19,107.77

Finding the Fourth Proportional to 54,172.73, 81,244.54 and 19,107.77

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Solution

The fourth proportional to 54,172.73, 81,244.54 and 19,107.77 is: 28,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.73 : 81,244.54 = 19,107.77 : x
  2. Step 2: Convert to fraction form
    54,172.73/81,244.54 = 19,107.77/x
  3. Step 3: Cross multiply
    54,172.73x = 81,244.54 × 19,107.77
  4. Step 4: Simplify right side
    54,172.73x = 1,552,401,888.54
  5. Step 5: Solve for x
    x = 1,552,401,888.54/54,172.73
  6. Step 6: Final answer
    x = 28,656.52

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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.