Home / 40,190.58-60,294.15-13,891.86

Finding the Fourth Proportional to 40,190.58, 60,294.15 and 13,891.86

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Solution

The fourth proportional to 40,190.58, 60,294.15 and 13,891.86 is: 20,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,190.58 : 60,294.15 = 13,891.86 : x
  2. Step 2: Convert to fraction form
    40,190.58/60,294.15 = 13,891.86/x
  3. Step 3: Cross multiply
    40,190.58x = 60,294.15 × 13,891.86
  4. Step 4: Simplify right side
    40,190.58x = 837,597,890.62
  5. Step 5: Solve for x
    x = 837,597,890.62/40,190.58
  6. Step 6: Final answer
    x = 20,840.65

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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.