Home / 51,261.63-76,896.46-13,821.13

Finding the Fourth Proportional to 51,261.63, 76,896.46 and 13,821.13

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Solution

The fourth proportional to 51,261.63, 76,896.46 and 13,821.13 is: 20,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,261.63 : 76,896.46 = 13,821.13 : x
  2. Step 2: Convert to fraction form
    51,261.63/76,896.46 = 13,821.13/x
  3. Step 3: Cross multiply
    51,261.63x = 76,896.46 × 13,821.13
  4. Step 4: Simplify right side
    51,261.63x = 1,062,796,083.60
  5. Step 5: Solve for x
    x = 1,062,796,083.60/51,261.63
  6. Step 6: Final answer
    x = 20,732.78

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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.