Home / 36,171.18-49,917.33-20,256.30

Finding the Fourth Proportional to 36,171.18, 49,917.33 and 20,256.30

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Solution

The fourth proportional to 36,171.18, 49,917.33 and 20,256.30 is: 27,954.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.18 : 49,917.33 = 20,256.30 : x
  2. Step 2: Convert to fraction form
    36,171.18/49,917.33 = 20,256.30/x
  3. Step 3: Cross multiply
    36,171.18x = 49,917.33 × 20,256.30
  4. Step 4: Simplify right side
    36,171.18x = 1,011,140,411.68
  5. Step 5: Solve for x
    x = 1,011,140,411.68/36,171.18
  6. Step 6: Final answer
    x = 27,954.31

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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.