Home / 38,821.86-58,245.09-13,861.35

Finding the Fourth Proportional to 38,821.86, 58,245.09 and 13,861.35

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Solution

The fourth proportional to 38,821.86, 58,245.09 and 13,861.35 is: 20,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.86 : 58,245.09 = 13,861.35 : x
  2. Step 2: Convert to fraction form
    38,821.86/58,245.09 = 13,861.35/x
  3. Step 3: Cross multiply
    38,821.86x = 58,245.09 × 13,861.35
  4. Step 4: Simplify right side
    38,821.86x = 807,355,578.27
  5. Step 5: Solve for x
    x = 807,355,578.27/38,821.86
  6. Step 6: Final answer
    x = 20,796.42

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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.