Home / 37,576.85-51,856.62-20,580.78

Finding the Fourth Proportional to 37,576.85, 51,856.62 and 20,580.78

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Solution

The fourth proportional to 37,576.85, 51,856.62 and 20,580.78 is: 28,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,576.85 : 51,856.62 = 20,580.78 : x
  2. Step 2: Convert to fraction form
    37,576.85/51,856.62 = 20,580.78/x
  3. Step 3: Cross multiply
    37,576.85x = 51,856.62 × 20,580.78
  4. Step 4: Simplify right side
    37,576.85x = 1,067,249,687.76
  5. Step 5: Solve for x
    x = 1,067,249,687.76/37,576.85
  6. Step 6: Final answer
    x = 28,401.79

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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.