Home / 49,305.15-73,961.82-21,225.89

Finding the Fourth Proportional to 49,305.15, 73,961.82 and 21,225.89

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Solution

The fourth proportional to 49,305.15, 73,961.82 and 21,225.89 is: 31,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,305.15 : 73,961.82 = 21,225.89 : x
  2. Step 2: Convert to fraction form
    49,305.15/73,961.82 = 21,225.89/x
  3. Step 3: Cross multiply
    49,305.15x = 73,961.82 × 21,225.89
  4. Step 4: Simplify right side
    49,305.15x = 1,569,905,640.42
  5. Step 5: Solve for x
    x = 1,569,905,640.42/49,305.15
  6. Step 6: Final answer
    x = 31,840.60

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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.