Home / 36,086.18-49,798.80-20,170.64

Finding the Fourth Proportional to 36,086.18, 49,798.80 and 20,170.64

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Solution

The fourth proportional to 36,086.18, 49,798.80 and 20,170.64 is: 27,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.18 : 49,798.80 = 20,170.64 : x
  2. Step 2: Convert to fraction form
    36,086.18/49,798.80 = 20,170.64/x
  3. Step 3: Cross multiply
    36,086.18x = 49,798.80 × 20,170.64
  4. Step 4: Simplify right side
    36,086.18x = 1,004,473,667.23
  5. Step 5: Solve for x
    x = 1,004,473,667.23/36,086.18
  6. Step 6: Final answer
    x = 27,835.41

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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.