Home / 36,410.22-54,527.85-20,780.46

Finding the Fourth Proportional to 36,410.22, 54,527.85 and 20,780.46

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Solution

The fourth proportional to 36,410.22, 54,527.85 and 20,780.46 is: 31,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,410.22 : 54,527.85 = 20,780.46 : x
  2. Step 2: Convert to fraction form
    36,410.22/54,527.85 = 20,780.46/x
  3. Step 3: Cross multiply
    36,410.22x = 54,527.85 × 20,780.46
  4. Step 4: Simplify right side
    36,410.22x = 1,133,113,805.81
  5. Step 5: Solve for x
    x = 1,133,113,805.81/36,410.22
  6. Step 6: Final answer
    x = 31,120.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.