Home / 36,700.96-55,051.44-30,189.28

Finding the Fourth Proportional to 36,700.96, 55,051.44 and 30,189.28

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Solution

The fourth proportional to 36,700.96, 55,051.44 and 30,189.28 is: 45,283.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.96 : 55,051.44 = 30,189.28 : x
  2. Step 2: Convert to fraction form
    36,700.96/55,051.44 = 30,189.28/x
  3. Step 3: Cross multiply
    36,700.96x = 55,051.44 × 30,189.28
  4. Step 4: Simplify right side
    36,700.96x = 1,661,963,336.56
  5. Step 5: Solve for x
    x = 1,661,963,336.56/36,700.96
  6. Step 6: Final answer
    x = 45,283.92

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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.