Home / 30,673.05-45,990.99-20,007.37

Finding the Fourth Proportional to 30,673.05, 45,990.99 and 20,007.37

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Solution

The fourth proportional to 30,673.05, 45,990.99 and 20,007.37 is: 29,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,673.05 : 45,990.99 = 20,007.37 : x
  2. Step 2: Convert to fraction form
    30,673.05/45,990.99 = 20,007.37/x
  3. Step 3: Cross multiply
    30,673.05x = 45,990.99 × 20,007.37
  4. Step 4: Simplify right side
    30,673.05x = 920,158,653.56
  5. Step 5: Solve for x
    x = 920,158,653.56/30,673.05
  6. Step 6: Final answer
    x = 29,998.93

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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.