Home / 30,245.20-45,370.53-15,466.55

Finding the Fourth Proportional to 30,245.20, 45,370.53 and 15,466.55

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Solution

The fourth proportional to 30,245.20, 45,370.53 and 15,466.55 is: 23,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.20 : 45,370.53 = 15,466.55 : x
  2. Step 2: Convert to fraction form
    30,245.20/45,370.53 = 15,466.55/x
  3. Step 3: Cross multiply
    30,245.20x = 45,370.53 × 15,466.55
  4. Step 4: Simplify right side
    30,245.20x = 701,725,343.92
  5. Step 5: Solve for x
    x = 701,725,343.92/30,245.20
  6. Step 6: Final answer
    x = 23,201.22

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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.