Home / 29,977.80-41,371.86-16,550.28

Finding the Fourth Proportional to 29,977.80, 41,371.86 and 16,550.28

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Solution

The fourth proportional to 29,977.80, 41,371.86 and 16,550.28 is: 22,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,977.80 : 41,371.86 = 16,550.28 : x
  2. Step 2: Convert to fraction form
    29,977.80/41,371.86 = 16,550.28/x
  3. Step 3: Cross multiply
    29,977.80x = 41,371.86 × 16,550.28
  4. Step 4: Simplify right side
    29,977.80x = 684,715,867.12
  5. Step 5: Solve for x
    x = 684,715,867.12/29,977.80
  6. Step 6: Final answer
    x = 22,840.76

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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.