Home / 30,749.41-46,109.67-18,271.09

Finding the Fourth Proportional to 30,749.41, 46,109.67 and 18,271.09

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Solution

The fourth proportional to 30,749.41, 46,109.67 and 18,271.09 is: 27,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,749.41 : 46,109.67 = 18,271.09 : x
  2. Step 2: Convert to fraction form
    30,749.41/46,109.67 = 18,271.09/x
  3. Step 3: Cross multiply
    30,749.41x = 46,109.67 × 18,271.09
  4. Step 4: Simplify right side
    30,749.41x = 842,473,930.44
  5. Step 5: Solve for x
    x = 842,473,930.44/30,749.41
  6. Step 6: Final answer
    x = 27,398.05

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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.