Home / 38,380.85-57,625.08-19,674.30

Finding the Fourth Proportional to 38,380.85, 57,625.08 and 19,674.30

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Solution

The fourth proportional to 38,380.85, 57,625.08 and 19,674.30 is: 29,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,380.85 : 57,625.08 = 19,674.30 : x
  2. Step 2: Convert to fraction form
    38,380.85/57,625.08 = 19,674.30/x
  3. Step 3: Cross multiply
    38,380.85x = 57,625.08 × 19,674.30
  4. Step 4: Simplify right side
    38,380.85x = 1,133,733,111.44
  5. Step 5: Solve for x
    x = 1,133,733,111.44/38,380.85
  6. Step 6: Final answer
    x = 29,539.03

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1.5x scale

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.