Home / 49,826.68-74,637.90-39,912.28

Finding the Fourth Proportional to 49,826.68, 74,637.90 and 39,912.28

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Solution

The fourth proportional to 49,826.68, 74,637.90 and 39,912.28 is: 59,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,826.68 : 74,637.90 = 39,912.28 : x
  2. Step 2: Convert to fraction form
    49,826.68/74,637.90 = 39,912.28/x
  3. Step 3: Cross multiply
    49,826.68x = 74,637.90 × 39,912.28
  4. Step 4: Simplify right side
    49,826.68x = 2,978,968,763.41
  5. Step 5: Solve for x
    x = 2,978,968,763.41/49,826.68
  6. Step 6: Final answer
    x = 59,786.62

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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.