Home / 55,777.40-83,676.46-18,339.56

Finding the Fourth Proportional to 55,777.40, 83,676.46 and 18,339.56

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Solution

The fourth proportional to 55,777.40, 83,676.46 and 18,339.56 is: 27,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.40 : 83,676.46 = 18,339.56 : x
  2. Step 2: Convert to fraction form
    55,777.40/83,676.46 = 18,339.56/x
  3. Step 3: Cross multiply
    55,777.40x = 83,676.46 × 18,339.56
  4. Step 4: Simplify right side
    55,777.40x = 1,534,589,458.76
  5. Step 5: Solve for x
    x = 1,534,589,458.76/55,777.40
  6. Step 6: Final answer
    x = 27,512.75

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1.5x scale

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.