Home / 20,633.74-30,950.30-5,051.36

Finding the Fourth Proportional to 20,633.74, 30,950.30 and 5,051.36

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Solution

The fourth proportional to 20,633.74, 30,950.30 and 5,051.36 is: 7,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,633.74 : 30,950.30 = 5,051.36 : x
  2. Step 2: Convert to fraction form
    20,633.74/30,950.30 = 5,051.36/x
  3. Step 3: Cross multiply
    20,633.74x = 30,950.30 × 5,051.36
  4. Step 4: Simplify right side
    20,633.74x = 156,341,197.41
  5. Step 5: Solve for x
    x = 156,341,197.41/20,633.74
  6. Step 6: Final answer
    x = 7,576.97

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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.