Home / 41,986.94-57,946.07-31,358.12

Finding the Fourth Proportional to 41,986.94, 57,946.07 and 31,358.12

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Solution

The fourth proportional to 41,986.94, 57,946.07 and 31,358.12 is: 43,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,986.94 : 57,946.07 = 31,358.12 : x
  2. Step 2: Convert to fraction form
    41,986.94/57,946.07 = 31,358.12/x
  3. Step 3: Cross multiply
    41,986.94x = 57,946.07 × 31,358.12
  4. Step 4: Simplify right side
    41,986.94x = 1,817,080,039.85
  5. Step 5: Solve for x
    x = 1,817,080,039.85/41,986.94
  6. Step 6: Final answer
    x = 43,277.27

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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.