Home / 53,823.62-80,740.93-20,571.67

Finding the Fourth Proportional to 53,823.62, 80,740.93 and 20,571.67

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Solution

The fourth proportional to 53,823.62, 80,740.93 and 20,571.67 is: 30,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.62 : 80,740.93 = 20,571.67 : x
  2. Step 2: Convert to fraction form
    53,823.62/80,740.93 = 20,571.67/x
  3. Step 3: Cross multiply
    53,823.62x = 80,740.93 × 20,571.67
  4. Step 4: Simplify right side
    53,823.62x = 1,660,975,514.17
  5. Step 5: Solve for x
    x = 1,660,975,514.17/53,823.62
  6. Step 6: Final answer
    x = 30,859.61

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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.