Home / 36,787.50-50,768.42-21,680.80

Finding the Fourth Proportional to 36,787.50, 50,768.42 and 21,680.80

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Solution

The fourth proportional to 36,787.50, 50,768.42 and 21,680.80 is: 29,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.50 : 50,768.42 = 21,680.80 : x
  2. Step 2: Convert to fraction form
    36,787.50/50,768.42 = 21,680.80/x
  3. Step 3: Cross multiply
    36,787.50x = 50,768.42 × 21,680.80
  4. Step 4: Simplify right side
    36,787.50x = 1,100,699,960.34
  5. Step 5: Solve for x
    x = 1,100,699,960.34/36,787.50
  6. Step 6: Final answer
    x = 29,920.49

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1.5x scale

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.