Home / 29,660.86-40,927.94-17,721.66

Finding the Fourth Proportional to 29,660.86, 40,927.94 and 17,721.66

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Solution

The fourth proportional to 29,660.86, 40,927.94 and 17,721.66 is: 24,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.86 : 40,927.94 = 17,721.66 : x
  2. Step 2: Convert to fraction form
    29,660.86/40,927.94 = 17,721.66/x
  3. Step 3: Cross multiply
    29,660.86x = 40,927.94 × 17,721.66
  4. Step 4: Simplify right side
    29,660.86x = 725,311,037.18
  5. Step 5: Solve for x
    x = 725,311,037.18/29,660.86
  6. Step 6: Final answer
    x = 24,453.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.