Home / 20,450.43-30,685.37-10,059.75

Finding the Fourth Proportional to 20,450.43, 30,685.37 and 10,059.75

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Solution

The fourth proportional to 20,450.43, 30,685.37 and 10,059.75 is: 15,094.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.43 : 30,685.37 = 10,059.75 : x
  2. Step 2: Convert to fraction form
    20,450.43/30,685.37 = 10,059.75/x
  3. Step 3: Cross multiply
    20,450.43x = 30,685.37 × 10,059.75
  4. Step 4: Simplify right side
    20,450.43x = 308,687,100.56
  5. Step 5: Solve for x
    x = 308,687,100.56/20,450.43
  6. Step 6: Final answer
    x = 15,094.41

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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.