Home / 66,933.03-100,383.95-19,538.16

Finding the Fourth Proportional to 66,933.03, 100,383.95 and 19,538.16

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Solution

The fourth proportional to 66,933.03, 100,383.95 and 19,538.16 is: 29,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,933.03 : 100,383.95 = 19,538.16 : x
  2. Step 2: Convert to fraction form
    66,933.03/100,383.95 = 19,538.16/x
  3. Step 3: Cross multiply
    66,933.03x = 100,383.95 × 19,538.16
  4. Step 4: Simplify right side
    66,933.03x = 1,961,317,578.84
  5. Step 5: Solve for x
    x = 1,961,317,578.84/66,933.03
  6. Step 6: Final answer
    x = 29,302.69

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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.