Home / 36,533.09-50,415.68-20,620.91

Finding the Fourth Proportional to 36,533.09, 50,415.68 and 20,620.91

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Solution

The fourth proportional to 36,533.09, 50,415.68 and 20,620.91 is: 28,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,533.09 : 50,415.68 = 20,620.91 : x
  2. Step 2: Convert to fraction form
    36,533.09/50,415.68 = 20,620.91/x
  3. Step 3: Cross multiply
    36,533.09x = 50,415.68 × 20,620.91
  4. Step 4: Simplify right side
    36,533.09x = 1,039,617,199.87
  5. Step 5: Solve for x
    x = 1,039,617,199.87/36,533.09
  6. Step 6: Final answer
    x = 28,456.86

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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.