Home / 49,550.80-74,326.20-40,219.60

Finding the Fourth Proportional to 49,550.80, 74,326.20 and 40,219.60

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Solution

The fourth proportional to 49,550.80, 74,326.20 and 40,219.60 is: 60,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,550.80 : 74,326.20 = 40,219.60 : x
  2. Step 2: Convert to fraction form
    49,550.80/74,326.20 = 40,219.60/x
  3. Step 3: Cross multiply
    49,550.80x = 74,326.20 × 40,219.60
  4. Step 4: Simplify right side
    49,550.80x = 2,989,370,033.52
  5. Step 5: Solve for x
    x = 2,989,370,033.52/49,550.80
  6. Step 6: Final answer
    x = 60,329.40

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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.