Home / 43,880.17-65,760.61-18,558.64

Finding the Fourth Proportional to 43,880.17, 65,760.61 and 18,558.64

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Solution

The fourth proportional to 43,880.17, 65,760.61 and 18,558.64 is: 27,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,880.17 : 65,760.61 = 18,558.64 : x
  2. Step 2: Convert to fraction form
    43,880.17/65,760.61 = 18,558.64/x
  3. Step 3: Cross multiply
    43,880.17x = 65,760.61 × 18,558.64
  4. Step 4: Simplify right side
    43,880.17x = 1,220,427,487.17
  5. Step 5: Solve for x
    x = 1,220,427,487.17/43,880.17
  6. Step 6: Final answer
    x = 27,812.73

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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.