Home / 40,468.20-60,653.70-20,736.60

Finding the Fourth Proportional to 40,468.20, 60,653.70 and 20,736.60

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Solution

The fourth proportional to 40,468.20, 60,653.70 and 20,736.60 is: 31,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,468.20 : 60,653.70 = 20,736.60 : x
  2. Step 2: Convert to fraction form
    40,468.20/60,653.70 = 20,736.60/x
  3. Step 3: Cross multiply
    40,468.20x = 60,653.70 × 20,736.60
  4. Step 4: Simplify right side
    40,468.20x = 1,257,751,515.42
  5. Step 5: Solve for x
    x = 1,257,751,515.42/40,468.20
  6. Step 6: Final answer
    x = 31,080.00

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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.