Home / 51,051.20-76,576.82-15,993.59

Finding the Fourth Proportional to 51,051.20, 76,576.82 and 15,993.59

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Solution

The fourth proportional to 51,051.20, 76,576.82 and 15,993.59 is: 23,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.20 : 76,576.82 = 15,993.59 : x
  2. Step 2: Convert to fraction form
    51,051.20/76,576.82 = 15,993.59/x
  3. Step 3: Cross multiply
    51,051.20x = 76,576.82 × 15,993.59
  4. Step 4: Simplify right side
    51,051.20x = 1,224,737,799.73
  5. Step 5: Solve for x
    x = 1,224,737,799.73/51,051.20
  6. Step 6: Final answer
    x = 23,990.38

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Half scale
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Double scale
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Similar ratio
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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.