Home / 66,035.97-99,066.29-21,675.42

Finding the Fourth Proportional to 66,035.97, 99,066.29 and 21,675.42

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Solution

The fourth proportional to 66,035.97, 99,066.29 and 21,675.42 is: 32,517.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,035.97 : 99,066.29 = 21,675.42 : x
  2. Step 2: Convert to fraction form
    66,035.97/99,066.29 = 21,675.42/x
  3. Step 3: Cross multiply
    66,035.97x = 99,066.29 × 21,675.42
  4. Step 4: Simplify right side
    66,035.97x = 2,147,303,335.21
  5. Step 5: Solve for x
    x = 2,147,303,335.21/66,035.97
  6. Step 6: Final answer
    x = 32,517.18

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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.