Home / 66,850.32-100,270.44-19,465.77

Finding the Fourth Proportional to 66,850.32, 100,270.44 and 19,465.77

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Solution

The fourth proportional to 66,850.32, 100,270.44 and 19,465.77 is: 29,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,850.32 : 100,270.44 = 19,465.77 : x
  2. Step 2: Convert to fraction form
    66,850.32/100,270.44 = 19,465.77/x
  3. Step 3: Cross multiply
    66,850.32x = 100,270.44 × 19,465.77
  4. Step 4: Simplify right side
    66,850.32x = 1,951,841,322.84
  5. Step 5: Solve for x
    x = 1,951,841,322.84/66,850.32
  6. Step 6: Final answer
    x = 29,197.19

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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.