Home / 49,399.34-74,076.60-21,306.12

Finding the Fourth Proportional to 49,399.34, 74,076.60 and 21,306.12

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Solution

The fourth proportional to 49,399.34, 74,076.60 and 21,306.12 is: 31,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.34 : 74,076.60 = 21,306.12 : x
  2. Step 2: Convert to fraction form
    49,399.34/74,076.60 = 21,306.12/x
  3. Step 3: Cross multiply
    49,399.34x = 74,076.60 × 21,306.12
  4. Step 4: Simplify right side
    49,399.34x = 1,578,284,928.79
  5. Step 5: Solve for x
    x = 1,578,284,928.79/49,399.34
  6. Step 6: Final answer
    x = 31,949.51

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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.