Home / 44,121.81-66,183.66-12,957.06

Finding the Fourth Proportional to 44,121.81, 66,183.66 and 12,957.06

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Solution

The fourth proportional to 44,121.81, 66,183.66 and 12,957.06 is: 19,435.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,121.81 : 66,183.66 = 12,957.06 : x
  2. Step 2: Convert to fraction form
    44,121.81/66,183.66 = 12,957.06/x
  3. Step 3: Cross multiply
    44,121.81x = 66,183.66 × 12,957.06
  4. Step 4: Simplify right side
    44,121.81x = 857,545,653.64
  5. Step 5: Solve for x
    x = 857,545,653.64/44,121.81
  6. Step 6: Final answer
    x = 19,435.87

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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.