Home / 36,751.73-55,078.38-18,003.06

Finding the Fourth Proportional to 36,751.73, 55,078.38 and 18,003.06

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Solution

The fourth proportional to 36,751.73, 55,078.38 and 18,003.06 is: 26,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,751.73 : 55,078.38 = 18,003.06 : x
  2. Step 2: Convert to fraction form
    36,751.73/55,078.38 = 18,003.06/x
  3. Step 3: Cross multiply
    36,751.73x = 55,078.38 × 18,003.06
  4. Step 4: Simplify right side
    36,751.73x = 991,579,379.84
  5. Step 5: Solve for x
    x = 991,579,379.84/36,751.73
  6. Step 6: Final answer
    x = 26,980.49

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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.