Home / 40,336.20-55,613.58-34,280.64

Finding the Fourth Proportional to 40,336.20, 55,613.58 and 34,280.64

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Solution

The fourth proportional to 40,336.20, 55,613.58 and 34,280.64 is: 47,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.20 : 55,613.58 = 34,280.64 : x
  2. Step 2: Convert to fraction form
    40,336.20/55,613.58 = 34,280.64/x
  3. Step 3: Cross multiply
    40,336.20x = 55,613.58 × 34,280.64
  4. Step 4: Simplify right side
    40,336.20x = 1,906,469,115.09
  5. Step 5: Solve for x
    x = 1,906,469,115.09/40,336.20
  6. Step 6: Final answer
    x = 47,264.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.