Home / 45,889.53-68,806.61-20,584.43

Finding the Fourth Proportional to 45,889.53, 68,806.61 and 20,584.43

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Solution

The fourth proportional to 45,889.53, 68,806.61 and 20,584.43 is: 30,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,889.53 : 68,806.61 = 20,584.43 : x
  2. Step 2: Convert to fraction form
    45,889.53/68,806.61 = 20,584.43/x
  3. Step 3: Cross multiply
    45,889.53x = 68,806.61 × 20,584.43
  4. Step 4: Simplify right side
    45,889.53x = 1,416,344,400.13
  5. Step 5: Solve for x
    x = 1,416,344,400.13/45,889.53
  6. Step 6: Final answer
    x = 30,864.22

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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.