Home / 40,786.88-61,180.31-14,492.66

Finding the Fourth Proportional to 40,786.88, 61,180.31 and 14,492.66

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Solution

The fourth proportional to 40,786.88, 61,180.31 and 14,492.66 is: 21,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.88 : 61,180.31 = 14,492.66 : x
  2. Step 2: Convert to fraction form
    40,786.88/61,180.31 = 14,492.66/x
  3. Step 3: Cross multiply
    40,786.88x = 61,180.31 × 14,492.66
  4. Step 4: Simplify right side
    40,786.88x = 886,665,161.85
  5. Step 5: Solve for x
    x = 886,665,161.85/40,786.88
  6. Step 6: Final answer
    x = 21,738.98

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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.