Home / 32,102.31-48,149.82-12,379.22

Finding the Fourth Proportional to 32,102.31, 48,149.82 and 12,379.22

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Solution

The fourth proportional to 32,102.31, 48,149.82 and 12,379.22 is: 18,567.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,102.31 : 48,149.82 = 12,379.22 : x
  2. Step 2: Convert to fraction form
    32,102.31/48,149.82 = 12,379.22/x
  3. Step 3: Cross multiply
    32,102.31x = 48,149.82 × 12,379.22
  4. Step 4: Simplify right side
    32,102.31x = 596,056,973.99
  5. Step 5: Solve for x
    x = 596,056,973.99/32,102.31
  6. Step 6: Final answer
    x = 18,567.42

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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.