Home / 20,350.25-30,525.09-19,847.70

Finding the Fourth Proportional to 20,350.25, 30,525.09 and 19,847.70

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Solution

The fourth proportional to 20,350.25, 30,525.09 and 19,847.70 is: 29,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.25 : 30,525.09 = 19,847.70 : x
  2. Step 2: Convert to fraction form
    20,350.25/30,525.09 = 19,847.70/x
  3. Step 3: Cross multiply
    20,350.25x = 30,525.09 × 19,847.70
  4. Step 4: Simplify right side
    20,350.25x = 605,852,754.36
  5. Step 5: Solve for x
    x = 605,852,754.36/20,350.25
  6. Step 6: Final answer
    x = 29,771.27

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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.