Home / 74,451.38-111,695.88-21,860.87

Finding the Fourth Proportional to 74,451.38, 111,695.88 and 21,860.87

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Solution

The fourth proportional to 74,451.38, 111,695.88 and 21,860.87 is: 32,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451.38 : 111,695.88 = 21,860.87 : x
  2. Step 2: Convert to fraction form
    74,451.38/111,695.88 = 21,860.87/x
  3. Step 3: Cross multiply
    74,451.38x = 111,695.88 × 21,860.87
  4. Step 4: Simplify right side
    74,451.38x = 2,441,769,112.22
  5. Step 5: Solve for x
    x = 2,441,769,112.22/74,451.38
  6. Step 6: Final answer
    x = 32,796.83

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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.