Home / 39,768.62-59,653.38-10,185.66

Finding the Fourth Proportional to 39,768.62, 59,653.38 and 10,185.66

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Solution

The fourth proportional to 39,768.62, 59,653.38 and 10,185.66 is: 15,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,768.62 : 59,653.38 = 10,185.66 : x
  2. Step 2: Convert to fraction form
    39,768.62/59,653.38 = 10,185.66/x
  3. Step 3: Cross multiply
    39,768.62x = 59,653.38 × 10,185.66
  4. Step 4: Simplify right side
    39,768.62x = 607,609,046.53
  5. Step 5: Solve for x
    x = 607,609,046.53/39,768.62
  6. Step 6: Final answer
    x = 15,278.61

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1.5x scale

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.