Home / 36,079.90-49,789.36-20,164.46

Finding the Fourth Proportional to 36,079.90, 49,789.36 and 20,164.46

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Solution

The fourth proportional to 36,079.90, 49,789.36 and 20,164.46 is: 27,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.90 : 49,789.36 = 20,164.46 : x
  2. Step 2: Convert to fraction form
    36,079.90/49,789.36 = 20,164.46/x
  3. Step 3: Cross multiply
    36,079.90x = 49,789.36 × 20,164.46
  4. Step 4: Simplify right side
    36,079.90x = 1,003,975,558.15
  5. Step 5: Solve for x
    x = 1,003,975,558.15/36,079.90
  6. Step 6: Final answer
    x = 27,826.45

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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.