Home / 37,273.91-51,438.71-20,278.55

Finding the Fourth Proportional to 37,273.91, 51,438.71 and 20,278.55

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Solution

The fourth proportional to 37,273.91, 51,438.71 and 20,278.55 is: 27,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,273.91 : 51,438.71 = 20,278.55 : x
  2. Step 2: Convert to fraction form
    37,273.91/51,438.71 = 20,278.55/x
  3. Step 3: Cross multiply
    37,273.91x = 51,438.71 × 20,278.55
  4. Step 4: Simplify right side
    37,273.91x = 1,043,102,631.96
  5. Step 5: Solve for x
    x = 1,043,102,631.96/37,273.91
  6. Step 6: Final answer
    x = 27,984.80

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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.