Home / 31,794.52-43,873.20-18,370.08

Finding the Fourth Proportional to 31,794.52, 43,873.20 and 18,370.08

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Solution

The fourth proportional to 31,794.52, 43,873.20 and 18,370.08 is: 25,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.52 : 43,873.20 = 18,370.08 : x
  2. Step 2: Convert to fraction form
    31,794.52/43,873.20 = 18,370.08/x
  3. Step 3: Cross multiply
    31,794.52x = 43,873.20 × 18,370.08
  4. Step 4: Simplify right side
    31,794.52x = 805,954,193.86
  5. Step 5: Solve for x
    x = 805,954,193.86/31,794.52
  6. Step 6: Final answer
    x = 25,348.84

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1.5x scale

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.