Home / 29,218.50-43,805.88-9,485.28

Finding the Fourth Proportional to 29,218.50, 43,805.88 and 9,485.28

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Solution

The fourth proportional to 29,218.50, 43,805.88 and 9,485.28 is: 14,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218.50 : 43,805.88 = 9,485.28 : x
  2. Step 2: Convert to fraction form
    29,218.50/43,805.88 = 9,485.28/x
  3. Step 3: Cross multiply
    29,218.50x = 43,805.88 × 9,485.28
  4. Step 4: Simplify right side
    29,218.50x = 415,511,037.45
  5. Step 5: Solve for x
    x = 415,511,037.45/29,218.50
  6. Step 6: Final answer
    x = 14,220.82

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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.