Home / 36,137.90-54,193.36-12,438.82

Finding the Fourth Proportional to 36,137.90, 54,193.36 and 12,438.82

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Solution

The fourth proportional to 36,137.90, 54,193.36 and 12,438.82 is: 18,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,137.90 : 54,193.36 = 12,438.82 : x
  2. Step 2: Convert to fraction form
    36,137.90/54,193.36 = 12,438.82/x
  3. Step 3: Cross multiply
    36,137.90x = 54,193.36 × 12,438.82
  4. Step 4: Simplify right side
    36,137.90x = 674,101,450.24
  5. Step 5: Solve for x
    x = 674,101,450.24/36,137.90
  6. Step 6: Final answer
    x = 18,653.59

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1.5x scale

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.