Home / 36,910.50-55,365.75-11,971.41

Finding the Fourth Proportional to 36,910.50, 55,365.75 and 11,971.41

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Solution

The fourth proportional to 36,910.50, 55,365.75 and 11,971.41 is: 17,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,910.50 : 55,365.75 = 11,971.41 : x
  2. Step 2: Convert to fraction form
    36,910.50/55,365.75 = 11,971.41/x
  3. Step 3: Cross multiply
    36,910.50x = 55,365.75 × 11,971.41
  4. Step 4: Simplify right side
    36,910.50x = 662,806,093.21
  5. Step 5: Solve for x
    x = 662,806,093.21/36,910.50
  6. Step 6: Final answer
    x = 17,957.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.