Home / 40,822.68-61,234.78-11,240.36

Finding the Fourth Proportional to 40,822.68, 61,234.78 and 11,240.36

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Solution

The fourth proportional to 40,822.68, 61,234.78 and 11,240.36 is: 16,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.68 : 61,234.78 = 11,240.36 : x
  2. Step 2: Convert to fraction form
    40,822.68/61,234.78 = 11,240.36/x
  3. Step 3: Cross multiply
    40,822.68x = 61,234.78 × 11,240.36
  4. Step 4: Simplify right side
    40,822.68x = 688,300,971.72
  5. Step 5: Solve for x
    x = 688,300,971.72/40,822.68
  6. Step 6: Final answer
    x = 16,860.75

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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.