Home / 49,846.67-68,811.45-30,729.86

Finding the Fourth Proportional to 49,846.67, 68,811.45 and 30,729.86

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Solution

The fourth proportional to 49,846.67, 68,811.45 and 30,729.86 is: 42,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,846.67 : 68,811.45 = 30,729.86 : x
  2. Step 2: Convert to fraction form
    49,846.67/68,811.45 = 30,729.86/x
  3. Step 3: Cross multiply
    49,846.67x = 68,811.45 × 30,729.86
  4. Step 4: Simplify right side
    49,846.67x = 2,114,566,224.90
  5. Step 5: Solve for x
    x = 2,114,566,224.90/49,846.67
  6. Step 6: Final answer
    x = 42,421.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.