Home / 36,216.32-49,984.83-20,900.16

Finding the Fourth Proportional to 36,216.32, 49,984.83 and 20,900.16

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Solution

The fourth proportional to 36,216.32, 49,984.83 and 20,900.16 is: 28,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216.32 : 49,984.83 = 20,900.16 : x
  2. Step 2: Convert to fraction form
    36,216.32/49,984.83 = 20,900.16/x
  3. Step 3: Cross multiply
    36,216.32x = 49,984.83 × 20,900.16
  4. Step 4: Simplify right side
    36,216.32x = 1,044,690,944.57
  5. Step 5: Solve for x
    x = 1,044,690,944.57/36,216.32
  6. Step 6: Final answer
    x = 28,845.87

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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.