Home / 51,183.28-76,785.40-21,601.12

Finding the Fourth Proportional to 51,183.28, 76,785.40 and 21,601.12

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Solution

The fourth proportional to 51,183.28, 76,785.40 and 21,601.12 is: 32,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,183.28 : 76,785.40 = 21,601.12 : x
  2. Step 2: Convert to fraction form
    51,183.28/76,785.40 = 21,601.12/x
  3. Step 3: Cross multiply
    51,183.28x = 76,785.40 × 21,601.12
  4. Step 4: Simplify right side
    51,183.28x = 1,658,650,639.65
  5. Step 5: Solve for x
    x = 1,658,650,639.65/51,183.28
  6. Step 6: Final answer
    x = 32,406.10

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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.