Home / 43,600.46-65,439.57-20,240.06

Finding the Fourth Proportional to 43,600.46, 65,439.57 and 20,240.06

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Solution

The fourth proportional to 43,600.46, 65,439.57 and 20,240.06 is: 30,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,600.46 : 65,439.57 = 20,240.06 : x
  2. Step 2: Convert to fraction form
    43,600.46/65,439.57 = 20,240.06/x
  3. Step 3: Cross multiply
    43,600.46x = 65,439.57 × 20,240.06
  4. Step 4: Simplify right side
    43,600.46x = 1,324,500,823.17
  5. Step 5: Solve for x
    x = 1,324,500,823.17/43,600.46
  6. Step 6: Final answer
    x = 30,378.14

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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.