Home / 53,516.10-80,230.32-20,217.24

Finding the Fourth Proportional to 53,516.10, 80,230.32 and 20,217.24

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Solution

The fourth proportional to 53,516.10, 80,230.32 and 20,217.24 is: 30,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,516.10 : 80,230.32 = 20,217.24 : x
  2. Step 2: Convert to fraction form
    53,516.10/80,230.32 = 20,217.24/x
  3. Step 3: Cross multiply
    53,516.10x = 80,230.32 × 20,217.24
  4. Step 4: Simplify right side
    53,516.10x = 1,622,035,634.72
  5. Step 5: Solve for x
    x = 1,622,035,634.72/53,516.10
  6. Step 6: Final answer
    x = 30,309.30

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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.