Home / 37,102.20-51,204.60-21,187.86

Finding the Fourth Proportional to 37,102.20, 51,204.60 and 21,187.86

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Solution

The fourth proportional to 37,102.20, 51,204.60 and 21,187.86 is: 29,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,102.20 : 51,204.60 = 21,187.86 : x
  2. Step 2: Convert to fraction form
    37,102.20/51,204.60 = 21,187.86/x
  3. Step 3: Cross multiply
    37,102.20x = 51,204.60 × 21,187.86
  4. Step 4: Simplify right side
    37,102.20x = 1,084,915,896.16
  5. Step 5: Solve for x
    x = 1,084,915,896.16/37,102.20
  6. Step 6: Final answer
    x = 29,241.28

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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.