Home / 51,049.53-76,574.16-21,080.61

Finding the Fourth Proportional to 51,049.53, 76,574.16 and 21,080.61

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Solution

The fourth proportional to 51,049.53, 76,574.16 and 21,080.61 is: 31,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.53 : 76,574.16 = 21,080.61 : x
  2. Step 2: Convert to fraction form
    51,049.53/76,574.16 = 21,080.61/x
  3. Step 3: Cross multiply
    51,049.53x = 76,574.16 × 21,080.61
  4. Step 4: Simplify right side
    51,049.53x = 1,614,230,003.04
  5. Step 5: Solve for x
    x = 1,614,230,003.04/51,049.53
  6. Step 6: Final answer
    x = 31,620.86

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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.