Home / 40,825.86-61,238.79-11,243.99

Finding the Fourth Proportional to 40,825.86, 61,238.79 and 11,243.99

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Solution

The fourth proportional to 40,825.86, 61,238.79 and 11,243.99 is: 16,865.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,825.86 : 61,238.79 = 11,243.99 : x
  2. Step 2: Convert to fraction form
    40,825.86/61,238.79 = 11,243.99/x
  3. Step 3: Cross multiply
    40,825.86x = 61,238.79 × 11,243.99
  4. Step 4: Simplify right side
    40,825.86x = 688,568,036.18
  5. Step 5: Solve for x
    x = 688,568,036.18/40,825.86
  6. Step 6: Final answer
    x = 16,865.98

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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.