Home / 36,135.90-54,190.37-12,436.82

Finding the Fourth Proportional to 36,135.90, 54,190.37 and 12,436.82

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Solution

The fourth proportional to 36,135.90, 54,190.37 and 12,436.82 is: 18,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.90 : 54,190.37 = 12,436.82 : x
  2. Step 2: Convert to fraction form
    36,135.90/54,190.37 = 12,436.82/x
  3. Step 3: Cross multiply
    36,135.90x = 54,190.37 × 12,436.82
  4. Step 4: Simplify right side
    36,135.90x = 673,955,544.29
  5. Step 5: Solve for x
    x = 673,955,544.29/36,135.90
  6. Step 6: Final answer
    x = 18,650.58

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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.