Home / 66,855.12-92,261.26-36,638.44

Finding the Fourth Proportional to 66,855.12, 92,261.26 and 36,638.44

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Solution

The fourth proportional to 66,855.12, 92,261.26 and 36,638.44 is: 50,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,855.12 : 92,261.26 = 36,638.44 : x
  2. Step 2: Convert to fraction form
    66,855.12/92,261.26 = 36,638.44/x
  3. Step 3: Cross multiply
    66,855.12x = 92,261.26 × 36,638.44
  4. Step 4: Simplify right side
    66,855.12x = 3,380,308,638.83
  5. Step 5: Solve for x
    x = 3,380,308,638.83/66,855.12
  6. Step 6: Final answer
    x = 50,561.70

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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.