Home / 41,980.94-57,937.78-31,352.12

Finding the Fourth Proportional to 41,980.94, 57,937.78 and 31,352.12

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Solution

The fourth proportional to 41,980.94, 57,937.78 and 31,352.12 is: 43,268.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,980.94 : 57,937.78 = 31,352.12 : x
  2. Step 2: Convert to fraction form
    41,980.94/57,937.78 = 31,352.12/x
  3. Step 3: Cross multiply
    41,980.94x = 57,937.78 × 31,352.12
  4. Step 4: Simplify right side
    41,980.94x = 1,816,472,231.09
  5. Step 5: Solve for x
    x = 1,816,472,231.09/41,980.94
  6. Step 6: Final answer
    x = 43,268.97

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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.