Home / 49,938.30-74,906.01-20,348.82

Finding the Fourth Proportional to 49,938.30, 74,906.01 and 20,348.82

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Solution

The fourth proportional to 49,938.30, 74,906.01 and 20,348.82 is: 30,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,938.30 : 74,906.01 = 20,348.82 : x
  2. Step 2: Convert to fraction form
    49,938.30/74,906.01 = 20,348.82/x
  3. Step 3: Cross multiply
    49,938.30x = 74,906.01 × 20,348.82
  4. Step 4: Simplify right side
    49,938.30x = 1,524,248,914.41
  5. Step 5: Solve for x
    x = 1,524,248,914.41/49,938.30
  6. Step 6: Final answer
    x = 30,522.64

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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.