Home / 34,166.20-51,249.30-21,033.40

Finding the Fourth Proportional to 34,166.20, 51,249.30 and 21,033.40

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Solution

The fourth proportional to 34,166.20, 51,249.30 and 21,033.40 is: 31,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,166.20 : 51,249.30 = 21,033.40 : x
  2. Step 2: Convert to fraction form
    34,166.20/51,249.30 = 21,033.40/x
  3. Step 3: Cross multiply
    34,166.20x = 51,249.30 × 21,033.40
  4. Step 4: Simplify right side
    34,166.20x = 1,077,947,026.62
  5. Step 5: Solve for x
    x = 1,077,947,026.62/34,166.20
  6. Step 6: Final answer
    x = 31,550.10

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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.