Home / 65,474.74-98,212.10-18,727.61

Finding the Fourth Proportional to 65,474.74, 98,212.10 and 18,727.61

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Solution

The fourth proportional to 65,474.74, 98,212.10 and 18,727.61 is: 28,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,474.74 : 98,212.10 = 18,727.61 : x
  2. Step 2: Convert to fraction form
    65,474.74/98,212.10 = 18,727.61/x
  3. Step 3: Cross multiply
    65,474.74x = 98,212.10 × 18,727.61
  4. Step 4: Simplify right side
    65,474.74x = 1,839,278,120.65
  5. Step 5: Solve for x
    x = 1,839,278,120.65/65,474.74
  6. Step 6: Final answer
    x = 28,091.42

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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.