Home / 50,734.08-76,120.56-19,141.92

Finding the Fourth Proportional to 50,734.08, 76,120.56 and 19,141.92

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Solution

The fourth proportional to 50,734.08, 76,120.56 and 19,141.92 is: 28,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,734.08 : 76,120.56 = 19,141.92 : x
  2. Step 2: Convert to fraction form
    50,734.08/76,120.56 = 19,141.92/x
  3. Step 3: Cross multiply
    50,734.08x = 76,120.56 × 19,141.92
  4. Step 4: Simplify right side
    50,734.08x = 1,457,093,669.88
  5. Step 5: Solve for x
    x = 1,457,093,669.88/50,734.08
  6. Step 6: Final answer
    x = 28,720.21

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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.