Home / 53,756.04-80,580.06-20,467.56

Finding the Fourth Proportional to 53,756.04, 80,580.06 and 20,467.56

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Solution

The fourth proportional to 53,756.04, 80,580.06 and 20,467.56 is: 30,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,756.04 : 80,580.06 = 20,467.56 : x
  2. Step 2: Convert to fraction form
    53,756.04/80,580.06 = 20,467.56/x
  3. Step 3: Cross multiply
    53,756.04x = 80,580.06 × 20,467.56
  4. Step 4: Simplify right side
    53,756.04x = 1,649,277,212.85
  5. Step 5: Solve for x
    x = 1,649,277,212.85/53,756.04
  6. Step 6: Final answer
    x = 30,680.78

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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.