Home / 40,021.39-60,029.91-20,299.43

Finding the Fourth Proportional to 40,021.39, 60,029.91 and 20,299.43

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Solution

The fourth proportional to 40,021.39, 60,029.91 and 20,299.43 is: 30,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.39 : 60,029.91 = 20,299.43 : x
  2. Step 2: Convert to fraction form
    40,021.39/60,029.91 = 20,299.43/x
  3. Step 3: Cross multiply
    40,021.39x = 60,029.91 × 20,299.43
  4. Step 4: Simplify right side
    40,021.39x = 1,218,573,106.03
  5. Step 5: Solve for x
    x = 1,218,573,106.03/40,021.39
  6. Step 6: Final answer
    x = 30,448.04

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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.