Home / 36,126.28-49,857.56-20,215.86

Finding the Fourth Proportional to 36,126.28, 49,857.56 and 20,215.86

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Solution

The fourth proportional to 36,126.28, 49,857.56 and 20,215.86 is: 27,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.28 : 49,857.56 = 20,215.86 : x
  2. Step 2: Convert to fraction form
    36,126.28/49,857.56 = 20,215.86/x
  3. Step 3: Cross multiply
    36,126.28x = 49,857.56 × 20,215.86
  4. Step 4: Simplify right side
    36,126.28x = 1,007,913,452.90
  5. Step 5: Solve for x
    x = 1,007,913,452.90/36,126.28
  6. Step 6: Final answer
    x = 27,899.73

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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.