Home / 37,814.21-52,181.57-20,815.14

Finding the Fourth Proportional to 37,814.21, 52,181.57 and 20,815.14

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Solution

The fourth proportional to 37,814.21, 52,181.57 and 20,815.14 is: 28,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,814.21 : 52,181.57 = 20,815.14 : x
  2. Step 2: Convert to fraction form
    37,814.21/52,181.57 = 20,815.14/x
  3. Step 3: Cross multiply
    37,814.21x = 52,181.57 × 20,815.14
  4. Step 4: Simplify right side
    37,814.21x = 1,086,166,684.97
  5. Step 5: Solve for x
    x = 1,086,166,684.97/37,814.21
  6. Step 6: Final answer
    x = 28,723.77

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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.