Home / 36,091.12-49,802.70-20,177.86

Finding the Fourth Proportional to 36,091.12, 49,802.70 and 20,177.86

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Solution

The fourth proportional to 36,091.12, 49,802.70 and 20,177.86 is: 27,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.12 : 49,802.70 = 20,177.86 : x
  2. Step 2: Convert to fraction form
    36,091.12/49,802.70 = 20,177.86/x
  3. Step 3: Cross multiply
    36,091.12x = 49,802.70 × 20,177.86
  4. Step 4: Simplify right side
    36,091.12x = 1,004,911,908.22
  5. Step 5: Solve for x
    x = 1,004,911,908.22/36,091.12
  6. Step 6: Final answer
    x = 27,843.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.