Home / 41,731.86-62,527.41-20,643.78

Finding the Fourth Proportional to 41,731.86, 62,527.41 and 20,643.78

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Solution

The fourth proportional to 41,731.86, 62,527.41 and 20,643.78 is: 30,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,731.86 : 62,527.41 = 20,643.78 : x
  2. Step 2: Convert to fraction form
    41,731.86/62,527.41 = 20,643.78/x
  3. Step 3: Cross multiply
    41,731.86x = 62,527.41 × 20,643.78
  4. Step 4: Simplify right side
    41,731.86x = 1,290,802,096.01
  5. Step 5: Solve for x
    x = 1,290,802,096.01/41,731.86
  6. Step 6: Final answer
    x = 30,930.85

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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.