Home / 38,621.50-57,933.26-12,326.22

Finding the Fourth Proportional to 38,621.50, 57,933.26 and 12,326.22

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Solution

The fourth proportional to 38,621.50, 57,933.26 and 12,326.22 is: 18,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,621.50 : 57,933.26 = 12,326.22 : x
  2. Step 2: Convert to fraction form
    38,621.50/57,933.26 = 12,326.22/x
  3. Step 3: Cross multiply
    38,621.50x = 57,933.26 × 12,326.22
  4. Step 4: Simplify right side
    38,621.50x = 714,098,092.67
  5. Step 5: Solve for x
    x = 714,098,092.67/38,621.50
  6. Step 6: Final answer
    x = 18,489.65

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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.