Home / 41,385.96-57,136.32-31,677.12

Finding the Fourth Proportional to 41,385.96, 57,136.32 and 31,677.12

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Solution

The fourth proportional to 41,385.96, 57,136.32 and 31,677.12 is: 43,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,385.96 : 57,136.32 = 31,677.12 : x
  2. Step 2: Convert to fraction form
    41,385.96/57,136.32 = 31,677.12/x
  3. Step 3: Cross multiply
    41,385.96x = 57,136.32 × 31,677.12
  4. Step 4: Simplify right side
    41,385.96x = 1,809,914,065.00
  5. Step 5: Solve for x
    x = 1,809,914,065.00/41,385.96
  6. Step 6: Final answer
    x = 43,732.56

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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.