Home / 51,049.53-76,574.39-19,884.78

Finding the Fourth Proportional to 51,049.53, 76,574.39 and 19,884.78

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Solution

The fourth proportional to 51,049.53, 76,574.39 and 19,884.78 is: 29,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,049.53 : 76,574.39 = 19,884.78 : x
  2. Step 2: Convert to fraction form
    51,049.53/76,574.39 = 19,884.78/x
  3. Step 3: Cross multiply
    51,049.53x = 76,574.39 × 19,884.78
  4. Step 4: Simplify right side
    51,049.53x = 1,522,664,799.36
  5. Step 5: Solve for x
    x = 1,522,664,799.36/51,049.53
  6. Step 6: Final answer
    x = 29,827.21

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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.