Home / 74,568.22-111,851.76-21,976.96

Finding the Fourth Proportional to 74,568.22, 111,851.76 and 21,976.96

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Solution

The fourth proportional to 74,568.22, 111,851.76 and 21,976.96 is: 32,965.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.22 : 111,851.76 = 21,976.96 : x
  2. Step 2: Convert to fraction form
    74,568.22/111,851.76 = 21,976.96/x
  3. Step 3: Cross multiply
    74,568.22x = 111,851.76 × 21,976.96
  4. Step 4: Simplify right side
    74,568.22x = 2,458,161,655.45
  5. Step 5: Solve for x
    x = 2,458,161,655.45/74,568.22
  6. Step 6: Final answer
    x = 32,965.27

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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.