Home / 36,721.92-55,055.28-17,996.16

Finding the Fourth Proportional to 36,721.92, 55,055.28 and 17,996.16

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Solution

The fourth proportional to 36,721.92, 55,055.28 and 17,996.16 is: 26,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.92 : 55,055.28 = 17,996.16 : x
  2. Step 2: Convert to fraction form
    36,721.92/55,055.28 = 17,996.16/x
  3. Step 3: Cross multiply
    36,721.92x = 55,055.28 × 17,996.16
  4. Step 4: Simplify right side
    36,721.92x = 990,783,627.72
  5. Step 5: Solve for x
    x = 990,783,627.72/36,721.92
  6. Step 6: Final answer
    x = 26,980.71

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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.