Home / 30,200.72-41,678.37-16,772.03

Finding the Fourth Proportional to 30,200.72, 41,678.37 and 16,772.03

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Solution

The fourth proportional to 30,200.72, 41,678.37 and 16,772.03 is: 23,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.72 : 41,678.37 = 16,772.03 : x
  2. Step 2: Convert to fraction form
    30,200.72/41,678.37 = 16,772.03/x
  3. Step 3: Cross multiply
    30,200.72x = 41,678.37 × 16,772.03
  4. Step 4: Simplify right side
    30,200.72x = 699,030,579.74
  5. Step 5: Solve for x
    x = 699,030,579.74/30,200.72
  6. Step 6: Final answer
    x = 23,146.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.