Home / 40,822.96-61,234.40-11,240.96

Finding the Fourth Proportional to 40,822.96, 61,234.40 and 11,240.96

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Solution

The fourth proportional to 40,822.96, 61,234.40 and 11,240.96 is: 16,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.96 : 61,234.40 = 11,240.96 : x
  2. Step 2: Convert to fraction form
    40,822.96/61,234.40 = 11,240.96/x
  3. Step 3: Cross multiply
    40,822.96x = 61,234.40 × 11,240.96
  4. Step 4: Simplify right side
    40,822.96x = 688,333,441.02
  5. Step 5: Solve for x
    x = 688,333,441.02/40,822.96
  6. Step 6: Final answer
    x = 16,861.43

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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.