Home / 36,723.45-50,678.37-20,807.90

Finding the Fourth Proportional to 36,723.45, 50,678.37 and 20,807.90

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Solution

The fourth proportional to 36,723.45, 50,678.37 and 20,807.90 is: 28,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,723.45 : 50,678.37 = 20,807.90 : x
  2. Step 2: Convert to fraction form
    36,723.45/50,678.37 = 20,807.90/x
  3. Step 3: Cross multiply
    36,723.45x = 50,678.37 × 20,807.90
  4. Step 4: Simplify right side
    36,723.45x = 1,054,510,201.73
  5. Step 5: Solve for x
    x = 1,054,510,201.73/36,723.45
  6. Step 6: Final answer
    x = 28,714.90

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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.