Home / 74,226.32-111,317.70-20,914.75

Finding the Fourth Proportional to 74,226.32, 111,317.70 and 20,914.75

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Solution

The fourth proportional to 74,226.32, 111,317.70 and 20,914.75 is: 31,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226.32 : 111,317.70 = 20,914.75 : x
  2. Step 2: Convert to fraction form
    74,226.32/111,317.70 = 20,914.75/x
  3. Step 3: Cross multiply
    74,226.32x = 111,317.70 × 20,914.75
  4. Step 4: Simplify right side
    74,226.32x = 2,328,181,587.78
  5. Step 5: Solve for x
    x = 2,328,181,587.78/74,226.32
  6. Step 6: Final answer
    x = 31,365.99

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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.