Home / 36,441.22-50,288.64-20,530.78

Finding the Fourth Proportional to 36,441.22, 50,288.64 and 20,530.78

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Solution

The fourth proportional to 36,441.22, 50,288.64 and 20,530.78 is: 28,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,441.22 : 50,288.64 = 20,530.78 : x
  2. Step 2: Convert to fraction form
    36,441.22/50,288.64 = 20,530.78/x
  3. Step 3: Cross multiply
    36,441.22x = 50,288.64 × 20,530.78
  4. Step 4: Simplify right side
    36,441.22x = 1,032,465,004.34
  5. Step 5: Solve for x
    x = 1,032,465,004.34/36,441.22
  6. Step 6: Final answer
    x = 28,332.34

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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.