Home / 30,180.20-41,646.74-16,751.48

Finding the Fourth Proportional to 30,180.20, 41,646.74 and 16,751.48

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Solution

The fourth proportional to 30,180.20, 41,646.74 and 16,751.48 is: 23,115.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,180.20 : 41,646.74 = 16,751.48 : x
  2. Step 2: Convert to fraction form
    30,180.20/41,646.74 = 16,751.48/x
  3. Step 3: Cross multiply
    30,180.20x = 41,646.74 × 16,751.48
  4. Step 4: Simplify right side
    30,180.20x = 697,644,240.18
  5. Step 5: Solve for x
    x = 697,644,240.18/30,180.20
  6. Step 6: Final answer
    x = 23,115.96

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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.