Home / 36,787.16-50,765.81-21,680.46

Finding the Fourth Proportional to 36,787.16, 50,765.81 and 21,680.46

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Solution

The fourth proportional to 36,787.16, 50,765.81 and 21,680.46 is: 29,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.16 : 50,765.81 = 21,680.46 : x
  2. Step 2: Convert to fraction form
    36,787.16/50,765.81 = 21,680.46/x
  3. Step 3: Cross multiply
    36,787.16x = 50,765.81 × 21,680.46
  4. Step 4: Simplify right side
    36,787.16x = 1,100,626,004.67
  5. Step 5: Solve for x
    x = 1,100,626,004.67/36,787.16
  6. Step 6: Final answer
    x = 29,918.76

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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.