Home / 36,188.72-54,285.92-11,231.40

Finding the Fourth Proportional to 36,188.72, 54,285.92 and 11,231.40

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Solution

The fourth proportional to 36,188.72, 54,285.92 and 11,231.40 is: 16,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.72 : 54,285.92 = 11,231.40 : x
  2. Step 2: Convert to fraction form
    36,188.72/54,285.92 = 11,231.40/x
  3. Step 3: Cross multiply
    36,188.72x = 54,285.92 × 11,231.40
  4. Step 4: Simplify right side
    36,188.72x = 609,706,881.89
  5. Step 5: Solve for x
    x = 609,706,881.89/36,188.72
  6. Step 6: Final answer
    x = 16,847.98

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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.