Home / 49,946.31-74,919.20-20,364.03

Finding the Fourth Proportional to 49,946.31, 74,919.20 and 20,364.03

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Solution

The fourth proportional to 49,946.31, 74,919.20 and 20,364.03 is: 30,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,946.31 : 74,919.20 = 20,364.03 : x
  2. Step 2: Convert to fraction form
    49,946.31/74,919.20 = 20,364.03/x
  3. Step 3: Cross multiply
    49,946.31x = 74,919.20 × 20,364.03
  4. Step 4: Simplify right side
    49,946.31x = 1,525,656,734.56
  5. Step 5: Solve for x
    x = 1,525,656,734.56/49,946.31
  6. Step 6: Final answer
    x = 30,545.93

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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.