Home / 45,786.38-63,187.25-25,642.85

Finding the Fourth Proportional to 45,786.38, 63,187.25 and 25,642.85

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Solution

The fourth proportional to 45,786.38, 63,187.25 and 25,642.85 is: 35,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.38 : 63,187.25 = 25,642.85 : x
  2. Step 2: Convert to fraction form
    45,786.38/63,187.25 = 25,642.85/x
  3. Step 3: Cross multiply
    45,786.38x = 63,187.25 × 25,642.85
  4. Step 4: Simplify right side
    45,786.38x = 1,620,300,729.51
  5. Step 5: Solve for x
    x = 1,620,300,729.51/45,786.38
  6. Step 6: Final answer
    x = 35,388.27

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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.