Home / 36,942.18-55,414.01-11,982.16

Finding the Fourth Proportional to 36,942.18, 55,414.01 and 11,982.16

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Solution

The fourth proportional to 36,942.18, 55,414.01 and 11,982.16 is: 17,973.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.18 : 55,414.01 = 11,982.16 : x
  2. Step 2: Convert to fraction form
    36,942.18/55,414.01 = 11,982.16/x
  3. Step 3: Cross multiply
    36,942.18x = 55,414.01 × 11,982.16
  4. Step 4: Simplify right side
    36,942.18x = 663,979,534.06
  5. Step 5: Solve for x
    x = 663,979,534.06/36,942.18
  6. Step 6: Final answer
    x = 17,973.48

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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.