Home / 36,172.64-49,917.66-20,256.96

Finding the Fourth Proportional to 36,172.64, 49,917.66 and 20,256.96

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Solution

The fourth proportional to 36,172.64, 49,917.66 and 20,256.96 is: 27,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,172.64 : 49,917.66 = 20,256.96 : x
  2. Step 2: Convert to fraction form
    36,172.64/49,917.66 = 20,256.96/x
  3. Step 3: Cross multiply
    36,172.64x = 49,917.66 × 20,256.96
  4. Step 4: Simplify right side
    36,172.64x = 1,011,180,041.91
  5. Step 5: Solve for x
    x = 1,011,180,041.91/36,172.64
  6. Step 6: Final answer
    x = 27,954.28

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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.