Home / 39,698.24-59,556-13,401.86

Finding the Fourth Proportional to 39,698.24, 59,556 and 13,401.86

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Solution

The fourth proportional to 39,698.24, 59,556 and 13,401.86 is: 20,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,698.24 : 59,556 = 13,401.86 : x
  2. Step 2: Convert to fraction form
    39,698.24/59,556 = 13,401.86/x
  3. Step 3: Cross multiply
    39,698.24x = 59,556 × 13,401.86
  4. Step 4: Simplify right side
    39,698.24x = 798,161,174.16
  5. Step 5: Solve for x
    x = 798,161,174.16/39,698.24
  6. Step 6: Final answer
    x = 20,105.71

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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.