Home / 37,255.38-51,412.44-20,488.38

Finding the Fourth Proportional to 37,255.38, 51,412.44 and 20,488.38

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Solution

The fourth proportional to 37,255.38, 51,412.44 and 20,488.38 is: 28,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,255.38 : 51,412.44 = 20,488.38 : x
  2. Step 2: Convert to fraction form
    37,255.38/51,412.44 = 20,488.38/x
  3. Step 3: Cross multiply
    37,255.38x = 51,412.44 × 20,488.38
  4. Step 4: Simplify right side
    37,255.38x = 1,053,357,607.45
  5. Step 5: Solve for x
    x = 1,053,357,607.45/37,255.38
  6. Step 6: Final answer
    x = 28,273.97

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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.