Home / 54,556.47-81,834.78-17,119.41

Finding the Fourth Proportional to 54,556.47, 81,834.78 and 17,119.41

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Solution

The fourth proportional to 54,556.47, 81,834.78 and 17,119.41 is: 25,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.47 : 81,834.78 = 17,119.41 : x
  2. Step 2: Convert to fraction form
    54,556.47/81,834.78 = 17,119.41/x
  3. Step 3: Cross multiply
    54,556.47x = 81,834.78 × 17,119.41
  4. Step 4: Simplify right side
    54,556.47x = 1,400,963,151.08
  5. Step 5: Solve for x
    x = 1,400,963,151.08/54,556.47
  6. Step 6: Final answer
    x = 25,679.14

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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.