Home / 51,051.12-76,576.68-15,993.50

Finding the Fourth Proportional to 51,051.12, 76,576.68 and 15,993.50

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Solution

The fourth proportional to 51,051.12, 76,576.68 and 15,993.50 is: 23,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,051.12 : 76,576.68 = 15,993.50 : x
  2. Step 2: Convert to fraction form
    51,051.12/76,576.68 = 15,993.50/x
  3. Step 3: Cross multiply
    51,051.12x = 76,576.68 × 15,993.50
  4. Step 4: Simplify right side
    51,051.12x = 1,224,729,131.58
  5. Step 5: Solve for x
    x = 1,224,729,131.58/51,051.12
  6. Step 6: Final answer
    x = 23,990.25

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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.