Home / 31,760.66-43,719.71-27,451.79

Finding the Fourth Proportional to 31,760.66, 43,719.71 and 27,451.79

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Solution

The fourth proportional to 31,760.66, 43,719.71 and 27,451.79 is: 37,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.66 : 43,719.71 = 27,451.79 : x
  2. Step 2: Convert to fraction form
    31,760.66/43,719.71 = 27,451.79/x
  3. Step 3: Cross multiply
    31,760.66x = 43,719.71 × 27,451.79
  4. Step 4: Simplify right side
    31,760.66x = 1,200,183,941.92
  5. Step 5: Solve for x
    x = 1,200,183,941.92/31,760.66
  6. Step 6: Final answer
    x = 37,788.39

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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.