Home / 39,986.44-59,974.89-31,110.67

Finding the Fourth Proportional to 39,986.44, 59,974.89 and 31,110.67

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Solution

The fourth proportional to 39,986.44, 59,974.89 and 31,110.67 is: 46,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.44 : 59,974.89 = 31,110.67 : x
  2. Step 2: Convert to fraction form
    39,986.44/59,974.89 = 31,110.67/x
  3. Step 3: Cross multiply
    39,986.44x = 59,974.89 × 31,110.67
  4. Step 4: Simplify right side
    39,986.44x = 1,865,859,011.08
  5. Step 5: Solve for x
    x = 1,865,859,011.08/39,986.44
  6. Step 6: Final answer
    x = 46,662.29

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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.