Home / 36,212.64-49,972.56-20,079.86

Finding the Fourth Proportional to 36,212.64, 49,972.56 and 20,079.86

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Solution

The fourth proportional to 36,212.64, 49,972.56 and 20,079.86 is: 27,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,212.64 : 49,972.56 = 20,079.86 : x
  2. Step 2: Convert to fraction form
    36,212.64/49,972.56 = 20,079.86/x
  3. Step 3: Cross multiply
    36,212.64x = 49,972.56 × 20,079.86
  4. Step 4: Simplify right side
    36,212.64x = 1,003,442,008.64
  5. Step 5: Solve for x
    x = 1,003,442,008.64/36,212.64
  6. Step 6: Final answer
    x = 27,709.72

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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.