Home / 53,686.68-80,517.78-20,410.44

Finding the Fourth Proportional to 53,686.68, 80,517.78 and 20,410.44

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Solution

The fourth proportional to 53,686.68, 80,517.78 and 20,410.44 is: 30,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.68 : 80,517.78 = 20,410.44 : x
  2. Step 2: Convert to fraction form
    53,686.68/80,517.78 = 20,410.44/x
  3. Step 3: Cross multiply
    53,686.68x = 80,517.78 × 20,410.44
  4. Step 4: Simplify right side
    53,686.68x = 1,643,403,317.62
  5. Step 5: Solve for x
    x = 1,643,403,317.62/53,686.68
  6. Step 6: Final answer
    x = 30,611.01

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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.