Home / 49,020.78-73,552.13-20,946.99

Finding the Fourth Proportional to 49,020.78, 73,552.13 and 20,946.99

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Solution

The fourth proportional to 49,020.78, 73,552.13 and 20,946.99 is: 31,429.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,020.78 : 73,552.13 = 20,946.99 : x
  2. Step 2: Convert to fraction form
    49,020.78/73,552.13 = 20,946.99/x
  3. Step 3: Cross multiply
    49,020.78x = 73,552.13 × 20,946.99
  4. Step 4: Simplify right side
    49,020.78x = 1,540,695,731.59
  5. Step 5: Solve for x
    x = 1,540,695,731.59/49,020.78
  6. Step 6: Final answer
    x = 31,429.44

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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.