Home / 37,640.08-51,940.20-20,644

Finding the Fourth Proportional to 37,640.08, 51,940.20 and 20,644

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Solution

The fourth proportional to 37,640.08, 51,940.20 and 20,644 is: 28,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.08 : 51,940.20 = 20,644 : x
  2. Step 2: Convert to fraction form
    37,640.08/51,940.20 = 20,644/x
  3. Step 3: Cross multiply
    37,640.08x = 51,940.20 × 20,644
  4. Step 4: Simplify right side
    37,640.08x = 1,072,253,488.80
  5. Step 5: Solve for x
    x = 1,072,253,488.80/37,640.08
  6. Step 6: Final answer
    x = 28,487.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.