Home / 36,131.64-49,861.86-20,216.12

Finding the Fourth Proportional to 36,131.64, 49,861.86 and 20,216.12

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Solution

The fourth proportional to 36,131.64, 49,861.86 and 20,216.12 is: 27,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.64 : 49,861.86 = 20,216.12 : x
  2. Step 2: Convert to fraction form
    36,131.64/49,861.86 = 20,216.12/x
  3. Step 3: Cross multiply
    36,131.64x = 49,861.86 × 20,216.12
  4. Step 4: Simplify right side
    36,131.64x = 1,008,013,345.18
  5. Step 5: Solve for x
    x = 1,008,013,345.18/36,131.64
  6. Step 6: Final answer
    x = 27,898.36

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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.