Home / 38,131.20-57,187.98-14,441.49

Finding the Fourth Proportional to 38,131.20, 57,187.98 and 14,441.49

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Solution

The fourth proportional to 38,131.20, 57,187.98 and 14,441.49 is: 21,658.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.20 : 57,187.98 = 14,441.49 : x
  2. Step 2: Convert to fraction form
    38,131.20/57,187.98 = 14,441.49/x
  3. Step 3: Cross multiply
    38,131.20x = 57,187.98 × 14,441.49
  4. Step 4: Simplify right side
    38,131.20x = 825,879,641.29
  5. Step 5: Solve for x
    x = 825,879,641.29/38,131.20
  6. Step 6: Final answer
    x = 21,658.89

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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.