Home / 40,811.86-61,217.70-14,517.64

Finding the Fourth Proportional to 40,811.86, 61,217.70 and 14,517.64

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Solution

The fourth proportional to 40,811.86, 61,217.70 and 14,517.64 is: 21,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,811.86 : 61,217.70 = 14,517.64 : x
  2. Step 2: Convert to fraction form
    40,811.86/61,217.70 = 14,517.64/x
  3. Step 3: Cross multiply
    40,811.86x = 61,217.70 × 14,517.64
  4. Step 4: Simplify right side
    40,811.86x = 888,736,530.23
  5. Step 5: Solve for x
    x = 888,736,530.23/40,811.86
  6. Step 6: Final answer
    x = 21,776.43

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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.