Home / 38,379.96-57,571.98-12,086.75

Finding the Fourth Proportional to 38,379.96, 57,571.98 and 12,086.75

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Solution

The fourth proportional to 38,379.96, 57,571.98 and 12,086.75 is: 18,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,379.96 : 57,571.98 = 12,086.75 : x
  2. Step 2: Convert to fraction form
    38,379.96/57,571.98 = 12,086.75/x
  3. Step 3: Cross multiply
    38,379.96x = 57,571.98 × 12,086.75
  4. Step 4: Simplify right side
    38,379.96x = 695,858,129.27
  5. Step 5: Solve for x
    x = 695,858,129.27/38,379.96
  6. Step 6: Final answer
    x = 18,130.77

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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.