Home / 51,718.80-77,723.52-30,661.83

Finding the Fourth Proportional to 51,718.80, 77,723.52 and 30,661.83

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Solution

The fourth proportional to 51,718.80, 77,723.52 and 30,661.83 is: 46,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.80 : 77,723.52 = 30,661.83 : x
  2. Step 2: Convert to fraction form
    51,718.80/77,723.52 = 30,661.83/x
  3. Step 3: Cross multiply
    51,718.80x = 77,723.52 × 30,661.83
  4. Step 4: Simplify right side
    51,718.80x = 2,383,145,357.24
  5. Step 5: Solve for x
    x = 2,383,145,357.24/51,718.80
  6. Step 6: Final answer
    x = 46,078.90

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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.