Home / 37,878.82-52,273.14-20,883.69

Finding the Fourth Proportional to 37,878.82, 52,273.14 and 20,883.69

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Solution

The fourth proportional to 37,878.82, 52,273.14 and 20,883.69 is: 28,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,878.82 : 52,273.14 = 20,883.69 : x
  2. Step 2: Convert to fraction form
    37,878.82/52,273.14 = 20,883.69/x
  3. Step 3: Cross multiply
    37,878.82x = 52,273.14 × 20,883.69
  4. Step 4: Simplify right side
    37,878.82x = 1,091,656,051.09
  5. Step 5: Solve for x
    x = 1,091,656,051.09/37,878.82
  6. Step 6: Final answer
    x = 28,819.70

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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.