Home / 36,390.45-50,216.72-20,474.22

Finding the Fourth Proportional to 36,390.45, 50,216.72 and 20,474.22

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Solution

The fourth proportional to 36,390.45, 50,216.72 and 20,474.22 is: 28,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,390.45 : 50,216.72 = 20,474.22 : x
  2. Step 2: Convert to fraction form
    36,390.45/50,216.72 = 20,474.22/x
  3. Step 3: Cross multiply
    36,390.45x = 50,216.72 × 20,474.22
  4. Step 4: Simplify right side
    36,390.45x = 1,028,148,070.59
  5. Step 5: Solve for x
    x = 1,028,148,070.59/36,390.45
  6. Step 6: Final answer
    x = 28,253.24

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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.