Home / 36,087.72-49,803.48-20,175

Finding the Fourth Proportional to 36,087.72, 49,803.48 and 20,175

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Solution

The fourth proportional to 36,087.72, 49,803.48 and 20,175 is: 27,842.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,087.72 : 49,803.48 = 20,175 : x
  2. Step 2: Convert to fraction form
    36,087.72/49,803.48 = 20,175/x
  3. Step 3: Cross multiply
    36,087.72x = 49,803.48 × 20,175
  4. Step 4: Simplify right side
    36,087.72x = 1,004,785,209.00
  5. Step 5: Solve for x
    x = 1,004,785,209.00/36,087.72
  6. Step 6: Final answer
    x = 27,842.86

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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.