Home / 31,179.20-46,768.48-18,023.20

Finding the Fourth Proportional to 31,179.20, 46,768.48 and 18,023.20

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Solution

The fourth proportional to 31,179.20, 46,768.48 and 18,023.20 is: 27,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.20 : 46,768.48 = 18,023.20 : x
  2. Step 2: Convert to fraction form
    31,179.20/46,768.48 = 18,023.20/x
  3. Step 3: Cross multiply
    31,179.20x = 46,768.48 × 18,023.20
  4. Step 4: Simplify right side
    31,179.20x = 842,917,668.74
  5. Step 5: Solve for x
    x = 842,917,668.74/31,179.20
  6. Step 6: Final answer
    x = 27,034.62

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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.