Home / 53,449.58-80,171.46-20,168.84

Finding the Fourth Proportional to 53,449.58, 80,171.46 and 20,168.84

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Solution

The fourth proportional to 53,449.58, 80,171.46 and 20,168.84 is: 30,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,449.58 : 80,171.46 = 20,168.84 : x
  2. Step 2: Convert to fraction form
    53,449.58/80,171.46 = 20,168.84/x
  3. Step 3: Cross multiply
    53,449.58x = 80,171.46 × 20,168.84
  4. Step 4: Simplify right side
    53,449.58x = 1,616,964,948.45
  5. Step 5: Solve for x
    x = 1,616,964,948.45/53,449.58
  6. Step 6: Final answer
    x = 30,252.16

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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.