Home / 66,494.26-99,742.23-22,121.02

Finding the Fourth Proportional to 66,494.26, 99,742.23 and 22,121.02

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Solution

The fourth proportional to 66,494.26, 99,742.23 and 22,121.02 is: 33,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,494.26 : 99,742.23 = 22,121.02 : x
  2. Step 2: Convert to fraction form
    66,494.26/99,742.23 = 22,121.02/x
  3. Step 3: Cross multiply
    66,494.26x = 99,742.23 × 22,121.02
  4. Step 4: Simplify right side
    66,494.26x = 2,206,399,864.67
  5. Step 5: Solve for x
    x = 2,206,399,864.67/66,494.26
  6. Step 6: Final answer
    x = 33,181.81

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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.