Home / 37,628.11-51,926.87-20,861.11

Finding the Fourth Proportional to 37,628.11, 51,926.87 and 20,861.11

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Solution

The fourth proportional to 37,628.11, 51,926.87 and 20,861.11 is: 28,788.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628.11 : 51,926.87 = 20,861.11 : x
  2. Step 2: Convert to fraction form
    37,628.11/51,926.87 = 20,861.11/x
  3. Step 3: Cross multiply
    37,628.11x = 51,926.87 × 20,861.11
  4. Step 4: Simplify right side
    37,628.11x = 1,083,252,042.72
  5. Step 5: Solve for x
    x = 1,083,252,042.72/37,628.11
  6. Step 6: Final answer
    x = 28,788.37

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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.