Home / 49,273.21-73,910.22-21,191.32

Finding the Fourth Proportional to 49,273.21, 73,910.22 and 21,191.32

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Solution

The fourth proportional to 49,273.21, 73,910.22 and 21,191.32 is: 31,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,273.21 : 73,910.22 = 21,191.32 : x
  2. Step 2: Convert to fraction form
    49,273.21/73,910.22 = 21,191.32/x
  3. Step 3: Cross multiply
    49,273.21x = 73,910.22 × 21,191.32
  4. Step 4: Simplify right side
    49,273.21x = 1,566,255,123.29
  5. Step 5: Solve for x
    x = 1,566,255,123.29/49,273.21
  6. Step 6: Final answer
    x = 31,787.15

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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.