Home / 49,534.20-74,301.30-19,936.80

Finding the Fourth Proportional to 49,534.20, 74,301.30 and 19,936.80

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Solution

The fourth proportional to 49,534.20, 74,301.30 and 19,936.80 is: 29,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,534.20 : 74,301.30 = 19,936.80 : x
  2. Step 2: Convert to fraction form
    49,534.20/74,301.30 = 19,936.80/x
  3. Step 3: Cross multiply
    49,534.20x = 74,301.30 × 19,936.80
  4. Step 4: Simplify right side
    49,534.20x = 1,481,330,157.84
  5. Step 5: Solve for x
    x = 1,481,330,157.84/49,534.20
  6. Step 6: Final answer
    x = 29,905.20

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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.