Home / 36,136.90-54,191.86-12,437.82

Finding the Fourth Proportional to 36,136.90, 54,191.86 and 12,437.82

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Solution

The fourth proportional to 36,136.90, 54,191.86 and 12,437.82 is: 18,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,136.90 : 54,191.86 = 12,437.82 : x
  2. Step 2: Convert to fraction form
    36,136.90/54,191.86 = 12,437.82/x
  3. Step 3: Cross multiply
    36,136.90x = 54,191.86 × 12,437.82
  4. Step 4: Simplify right side
    36,136.90x = 674,028,600.15
  5. Step 5: Solve for x
    x = 674,028,600.15/36,136.90
  6. Step 6: Final answer
    x = 18,652.09

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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.