Home / 40,198.26-60,313.80-13,921.50

Finding the Fourth Proportional to 40,198.26, 60,313.80 and 13,921.50

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Solution

The fourth proportional to 40,198.26, 60,313.80 and 13,921.50 is: 20,887.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,198.26 : 60,313.80 = 13,921.50 : x
  2. Step 2: Convert to fraction form
    40,198.26/60,313.80 = 13,921.50/x
  3. Step 3: Cross multiply
    40,198.26x = 60,313.80 × 13,921.50
  4. Step 4: Simplify right side
    40,198.26x = 839,658,566.70
  5. Step 5: Solve for x
    x = 839,658,566.70/40,198.26
  6. Step 6: Final answer
    x = 20,887.93

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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.