Home / 43,599.46-65,438.07-20,239.06

Finding the Fourth Proportional to 43,599.46, 65,438.07 and 20,239.06

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Solution

The fourth proportional to 43,599.46, 65,438.07 and 20,239.06 is: 30,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,599.46 : 65,438.07 = 20,239.06 : x
  2. Step 2: Convert to fraction form
    43,599.46/65,438.07 = 20,239.06/x
  3. Step 3: Cross multiply
    43,599.46x = 65,438.07 × 20,239.06
  4. Step 4: Simplify right side
    43,599.46x = 1,324,405,025.01
  5. Step 5: Solve for x
    x = 1,324,405,025.01/43,599.46
  6. Step 6: Final answer
    x = 30,376.64

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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.