Home / 54,235.50-81,354.69-17,299.50

Finding the Fourth Proportional to 54,235.50, 81,354.69 and 17,299.50

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Solution

The fourth proportional to 54,235.50, 81,354.69 and 17,299.50 is: 25,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.50 : 81,354.69 = 17,299.50 : x
  2. Step 2: Convert to fraction form
    54,235.50/81,354.69 = 17,299.50/x
  3. Step 3: Cross multiply
    54,235.50x = 81,354.69 × 17,299.50
  4. Step 4: Simplify right side
    54,235.50x = 1,407,395,459.66
  5. Step 5: Solve for x
    x = 1,407,395,459.66/54,235.50
  6. Step 6: Final answer
    x = 25,949.71

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1.5x scale

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.