Home / 39,717.80-59,576.49-18,657.73

Finding the Fourth Proportional to 39,717.80, 59,576.49 and 18,657.73

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Solution

The fourth proportional to 39,717.80, 59,576.49 and 18,657.73 is: 27,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,717.80 : 59,576.49 = 18,657.73 : x
  2. Step 2: Convert to fraction form
    39,717.80/59,576.49 = 18,657.73/x
  3. Step 3: Cross multiply
    39,717.80x = 59,576.49 × 18,657.73
  4. Step 4: Simplify right side
    39,717.80x = 1,111,562,064.77
  5. Step 5: Solve for x
    x = 1,111,562,064.77/39,717.80
  6. Step 6: Final answer
    x = 27,986.50

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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.