Home / 39,049.72-58,556.93-12,388.03

Finding the Fourth Proportional to 39,049.72, 58,556.93 and 12,388.03

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Solution

The fourth proportional to 39,049.72, 58,556.93 and 12,388.03 is: 18,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,049.72 : 58,556.93 = 12,388.03 : x
  2. Step 2: Convert to fraction form
    39,049.72/58,556.93 = 12,388.03/x
  3. Step 3: Cross multiply
    39,049.72x = 58,556.93 × 12,388.03
  4. Step 4: Simplify right side
    39,049.72x = 725,404,797.22
  5. Step 5: Solve for x
    x = 725,404,797.22/39,049.72
  6. Step 6: Final answer
    x = 18,576.44

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1.5x scale

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.