Home / 32,110.90-48,169.58-12,115.38

Finding the Fourth Proportional to 32,110.90, 48,169.58 and 12,115.38

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Solution

The fourth proportional to 32,110.90, 48,169.58 and 12,115.38 is: 18,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,110.90 : 48,169.58 = 12,115.38 : x
  2. Step 2: Convert to fraction form
    32,110.90/48,169.58 = 12,115.38/x
  3. Step 3: Cross multiply
    32,110.90x = 48,169.58 × 12,115.38
  4. Step 4: Simplify right side
    32,110.90x = 583,592,766.14
  5. Step 5: Solve for x
    x = 583,592,766.14/32,110.90
  6. Step 6: Final answer
    x = 18,174.29

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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.