Home / 36,972.88-51,016.64-21,057.60

Finding the Fourth Proportional to 36,972.88, 51,016.64 and 21,057.60

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Solution

The fourth proportional to 36,972.88, 51,016.64 and 21,057.60 is: 29,056.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.88 : 51,016.64 = 21,057.60 : x
  2. Step 2: Convert to fraction form
    36,972.88/51,016.64 = 21,057.60/x
  3. Step 3: Cross multiply
    36,972.88x = 51,016.64 × 21,057.60
  4. Step 4: Simplify right side
    36,972.88x = 1,074,287,998.46
  5. Step 5: Solve for x
    x = 1,074,287,998.46/36,972.88
  6. Step 6: Final answer
    x = 29,056.11

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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.