Home / 36,441.15-50,288.56-20,530.72

Finding the Fourth Proportional to 36,441.15, 50,288.56 and 20,530.72

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Solution

The fourth proportional to 36,441.15, 50,288.56 and 20,530.72 is: 28,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,441.15 : 50,288.56 = 20,530.72 : x
  2. Step 2: Convert to fraction form
    36,441.15/50,288.56 = 20,530.72/x
  3. Step 3: Cross multiply
    36,441.15x = 50,288.56 × 20,530.72
  4. Step 4: Simplify right side
    36,441.15x = 1,032,460,471.58
  5. Step 5: Solve for x
    x = 1,032,460,471.58/36,441.15
  6. Step 6: Final answer
    x = 28,332.27

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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.