Home / 49,912.41-74,868.48-20,323.29

Finding the Fourth Proportional to 49,912.41, 74,868.48 and 20,323.29

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Solution

The fourth proportional to 49,912.41, 74,868.48 and 20,323.29 is: 30,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.41 : 74,868.48 = 20,323.29 : x
  2. Step 2: Convert to fraction form
    49,912.41/74,868.48 = 20,323.29/x
  3. Step 3: Cross multiply
    49,912.41x = 74,868.48 × 20,323.29
  4. Step 4: Simplify right side
    49,912.41x = 1,521,573,830.90
  5. Step 5: Solve for x
    x = 1,521,573,830.90/49,912.41
  6. Step 6: Final answer
    x = 30,484.88

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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.