Home / 66,934.03-100,385.44-19,539.16

Finding the Fourth Proportional to 66,934.03, 100,385.44 and 19,539.16

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Solution

The fourth proportional to 66,934.03, 100,385.44 and 19,539.16 is: 29,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,934.03 : 100,385.44 = 19,539.16 : x
  2. Step 2: Convert to fraction form
    66,934.03/100,385.44 = 19,539.16/x
  3. Step 3: Cross multiply
    66,934.03x = 100,385.44 × 19,539.16
  4. Step 4: Simplify right side
    66,934.03x = 1,961,447,173.83
  5. Step 5: Solve for x
    x = 1,961,447,173.83/66,934.03
  6. Step 6: Final answer
    x = 29,304.18

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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.