Home / 75,504-113,268.96-22,918.80

Finding the Fourth Proportional to 75,504, 113,268.96 and 22,918.80

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Solution

The fourth proportional to 75,504, 113,268.96 and 22,918.80 is: 34,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,504 : 113,268.96 = 22,918.80 : x
  2. Step 2: Convert to fraction form
    75,504/113,268.96 = 22,918.80/x
  3. Step 3: Cross multiply
    75,504x = 113,268.96 × 22,918.80
  4. Step 4: Simplify right side
    75,504x = 2,595,988,640.45
  5. Step 5: Solve for x
    x = 2,595,988,640.45/75,504
  6. Step 6: Final answer
    x = 34,382.13

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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.