Home / 66,518.82-91,797.05-39,677.04

Finding the Fourth Proportional to 66,518.82, 91,797.05 and 39,677.04

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Solution

The fourth proportional to 66,518.82, 91,797.05 and 39,677.04 is: 54,754.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.82 : 91,797.05 = 39,677.04 : x
  2. Step 2: Convert to fraction form
    66,518.82/91,797.05 = 39,677.04/x
  3. Step 3: Cross multiply
    66,518.82x = 91,797.05 × 39,677.04
  4. Step 4: Simplify right side
    66,518.82x = 3,642,235,100.74
  5. Step 5: Solve for x
    x = 3,642,235,100.74/66,518.82
  6. Step 6: Final answer
    x = 54,754.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.