Home / 37,273.71-51,456.78-28,756.71

Finding the Fourth Proportional to 37,273.71, 51,456.78 and 28,756.71

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Solution

The fourth proportional to 37,273.71, 51,456.78 and 28,756.71 is: 39,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,273.71 : 51,456.78 = 28,756.71 : x
  2. Step 2: Convert to fraction form
    37,273.71/51,456.78 = 28,756.71/x
  3. Step 3: Cross multiply
    37,273.71x = 51,456.78 × 28,756.71
  4. Step 4: Simplify right side
    37,273.71x = 1,479,727,699.99
  5. Step 5: Solve for x
    x = 1,479,727,699.99/37,273.71
  6. Step 6: Final answer
    x = 39,698.96

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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.