Home / 20,019.36-30,029.04-6,168

Finding the Fourth Proportional to 20,019.36, 30,029.04 and 6,168

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Solution

The fourth proportional to 20,019.36, 30,029.04 and 6,168 is: 9,252

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.36 : 30,029.04 = 6,168 : x
  2. Step 2: Convert to fraction form
    20,019.36/30,029.04 = 6,168/x
  3. Step 3: Cross multiply
    20,019.36x = 30,029.04 × 6,168
  4. Step 4: Simplify right side
    20,019.36x = 185,219,118.72
  5. Step 5: Solve for x
    x = 185,219,118.72/20,019.36
  6. Step 6: Final answer
    x = 9,252

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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.