Home / 51,027.57-76,524.32-21,439.89

Finding the Fourth Proportional to 51,027.57, 76,524.32 and 21,439.89

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Solution

The fourth proportional to 51,027.57, 76,524.32 and 21,439.89 is: 32,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,027.57 : 76,524.32 = 21,439.89 : x
  2. Step 2: Convert to fraction form
    51,027.57/76,524.32 = 21,439.89/x
  3. Step 3: Cross multiply
    51,027.57x = 76,524.32 × 21,439.89
  4. Step 4: Simplify right side
    51,027.57x = 1,640,673,056.72
  5. Step 5: Solve for x
    x = 1,640,673,056.72/51,027.57
  6. Step 6: Final answer
    x = 32,152.68

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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.