Home / 66,682.60-92,042.98-39,844.84

Finding the Fourth Proportional to 66,682.60, 92,042.98 and 39,844.84

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Solution

The fourth proportional to 66,682.60, 92,042.98 and 39,844.84 is: 54,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.60 : 92,042.98 = 39,844.84 : x
  2. Step 2: Convert to fraction form
    66,682.60/92,042.98 = 39,844.84/x
  3. Step 3: Cross multiply
    66,682.60x = 92,042.98 × 39,844.84
  4. Step 4: Simplify right side
    66,682.60x = 3,667,437,811.22
  5. Step 5: Solve for x
    x = 3,667,437,811.22/66,682.60
  6. Step 6: Final answer
    x = 54,998.42

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1.5x scale

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.