Home / 54,634.68-81,900.18-19,556.28

Finding the Fourth Proportional to 54,634.68, 81,900.18 and 19,556.28

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Solution

The fourth proportional to 54,634.68, 81,900.18 and 19,556.28 is: 29,315.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,634.68 : 81,900.18 = 19,556.28 : x
  2. Step 2: Convert to fraction form
    54,634.68/81,900.18 = 19,556.28/x
  3. Step 3: Cross multiply
    54,634.68x = 81,900.18 × 19,556.28
  4. Step 4: Simplify right side
    54,634.68x = 1,601,662,852.13
  5. Step 5: Solve for x
    x = 1,601,662,852.13/54,634.68
  6. Step 6: Final answer
    x = 29,315.86

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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.