Home / 37,890.24-52,286.40-20,893.92

Finding the Fourth Proportional to 37,890.24, 52,286.40 and 20,893.92

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Solution

The fourth proportional to 37,890.24, 52,286.40 and 20,893.92 is: 28,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.24 : 52,286.40 = 20,893.92 : x
  2. Step 2: Convert to fraction form
    37,890.24/52,286.40 = 20,893.92/x
  3. Step 3: Cross multiply
    37,890.24x = 52,286.40 × 20,893.92
  4. Step 4: Simplify right side
    37,890.24x = 1,092,467,858.69
  5. Step 5: Solve for x
    x = 1,092,467,858.69/37,890.24
  6. Step 6: Final answer
    x = 28,832.43

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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.