Home / 34,277.22-51,415.83-12,078.90

Finding the Fourth Proportional to 34,277.22, 51,415.83 and 12,078.90

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Solution

The fourth proportional to 34,277.22, 51,415.83 and 12,078.90 is: 18,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,277.22 : 51,415.83 = 12,078.90 : x
  2. Step 2: Convert to fraction form
    34,277.22/51,415.83 = 12,078.90/x
  3. Step 3: Cross multiply
    34,277.22x = 51,415.83 × 12,078.90
  4. Step 4: Simplify right side
    34,277.22x = 621,046,668.99
  5. Step 5: Solve for x
    x = 621,046,668.99/34,277.22
  6. Step 6: Final answer
    x = 18,118.35

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1.5x scale

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.