Home / 54,431.44-75,115.34-30,558.17

Finding the Fourth Proportional to 54,431.44, 75,115.34 and 30,558.17

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Solution

The fourth proportional to 54,431.44, 75,115.34 and 30,558.17 is: 42,170.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.44 : 75,115.34 = 30,558.17 : x
  2. Step 2: Convert to fraction form
    54,431.44/75,115.34 = 30,558.17/x
  3. Step 3: Cross multiply
    54,431.44x = 75,115.34 × 30,558.17
  4. Step 4: Simplify right side
    54,431.44x = 2,295,387,329.33
  5. Step 5: Solve for x
    x = 2,295,387,329.33/54,431.44
  6. Step 6: Final answer
    x = 42,170.25

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1.5x scale

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.