Home / 37,110.60-51,221.79-21,204.39

Finding the Fourth Proportional to 37,110.60, 51,221.79 and 21,204.39

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Solution

The fourth proportional to 37,110.60, 51,221.79 and 21,204.39 is: 29,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,110.60 : 51,221.79 = 21,204.39 : x
  2. Step 2: Convert to fraction form
    37,110.60/51,221.79 = 21,204.39/x
  3. Step 3: Cross multiply
    37,110.60x = 51,221.79 × 21,204.39
  4. Step 4: Simplify right side
    37,110.60x = 1,086,126,811.66
  5. Step 5: Solve for x
    x = 1,086,126,811.66/37,110.60
  6. Step 6: Final answer
    x = 29,267.29

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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.