Home / 45,674.20-68,525.13-20,707.54

Finding the Fourth Proportional to 45,674.20, 68,525.13 and 20,707.54

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Solution

The fourth proportional to 45,674.20, 68,525.13 and 20,707.54 is: 31,067.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674.20 : 68,525.13 = 20,707.54 : x
  2. Step 2: Convert to fraction form
    45,674.20/68,525.13 = 20,707.54/x
  3. Step 3: Cross multiply
    45,674.20x = 68,525.13 × 20,707.54
  4. Step 4: Simplify right side
    45,674.20x = 1,418,986,911.31
  5. Step 5: Solve for x
    x = 1,418,986,911.31/45,674.20
  6. Step 6: Final answer
    x = 31,067.58

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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.