Home / 51,171.90-76,644.84-33,428.04

Finding the Fourth Proportional to 51,171.90, 76,644.84 and 33,428.04

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Solution

The fourth proportional to 51,171.90, 76,644.84 and 33,428.04 is: 50,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171.90 : 76,644.84 = 33,428.04 : x
  2. Step 2: Convert to fraction form
    51,171.90/76,644.84 = 33,428.04/x
  3. Step 3: Cross multiply
    51,171.90x = 76,644.84 × 33,428.04
  4. Step 4: Simplify right side
    51,171.90x = 2,562,086,777.31
  5. Step 5: Solve for x
    x = 2,562,086,777.31/51,171.90
  6. Step 6: Final answer
    x = 50,068.24

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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.