Home / 51,416.67-70,958.61-28,757.76

Finding the Fourth Proportional to 51,416.67, 70,958.61 and 28,757.76

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Solution

The fourth proportional to 51,416.67, 70,958.61 and 28,757.76 is: 39,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.67 : 70,958.61 = 28,757.76 : x
  2. Step 2: Convert to fraction form
    51,416.67/70,958.61 = 28,757.76/x
  3. Step 3: Cross multiply
    51,416.67x = 70,958.61 × 28,757.76
  4. Step 4: Simplify right side
    51,416.67x = 2,040,610,676.31
  5. Step 5: Solve for x
    x = 2,040,610,676.31/51,416.67
  6. Step 6: Final answer
    x = 39,687.73

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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.