Home / 37,451.68-51,682.92-20,455.88

Finding the Fourth Proportional to 37,451.68, 51,682.92 and 20,455.88

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Solution

The fourth proportional to 37,451.68, 51,682.92 and 20,455.88 is: 28,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.68 : 51,682.92 = 20,455.88 : x
  2. Step 2: Convert to fraction form
    37,451.68/51,682.92 = 20,455.88/x
  3. Step 3: Cross multiply
    37,451.68x = 51,682.92 × 20,455.88
  4. Step 4: Simplify right side
    37,451.68x = 1,057,219,609.57
  5. Step 5: Solve for x
    x = 1,057,219,609.57/37,451.68
  6. Step 6: Final answer
    x = 28,228.90

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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.