Home / 53,724.40-80,586.60-30,396.40

Finding the Fourth Proportional to 53,724.40, 80,586.60 and 30,396.40

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Solution

The fourth proportional to 53,724.40, 80,586.60 and 30,396.40 is: 45,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,724.40 : 80,586.60 = 30,396.40 : x
  2. Step 2: Convert to fraction form
    53,724.40/80,586.60 = 30,396.40/x
  3. Step 3: Cross multiply
    53,724.40x = 80,586.60 × 30,396.40
  4. Step 4: Simplify right side
    53,724.40x = 2,449,542,528.24
  5. Step 5: Solve for x
    x = 2,449,542,528.24/53,724.40
  6. Step 6: Final answer
    x = 45,594.60

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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.