Home / 37,029.92-55,520.23-20,397.78

Finding the Fourth Proportional to 37,029.92, 55,520.23 and 20,397.78

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Solution

The fourth proportional to 37,029.92, 55,520.23 and 20,397.78 is: 30,583.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,029.92 : 55,520.23 = 20,397.78 : x
  2. Step 2: Convert to fraction form
    37,029.92/55,520.23 = 20,397.78/x
  3. Step 3: Cross multiply
    37,029.92x = 55,520.23 × 20,397.78
  4. Step 4: Simplify right side
    37,029.92x = 1,132,489,437.09
  5. Step 5: Solve for x
    x = 1,132,489,437.09/37,029.92
  6. Step 6: Final answer
    x = 30,583.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.