Home / 37,428.12-56,149.20-12,469.68

Finding the Fourth Proportional to 37,428.12, 56,149.20 and 12,469.68

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Solution

The fourth proportional to 37,428.12, 56,149.20 and 12,469.68 is: 18,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.12 : 56,149.20 = 12,469.68 : x
  2. Step 2: Convert to fraction form
    37,428.12/56,149.20 = 12,469.68/x
  3. Step 3: Cross multiply
    37,428.12x = 56,149.20 × 12,469.68
  4. Step 4: Simplify right side
    37,428.12x = 700,162,556.26
  5. Step 5: Solve for x
    x = 700,162,556.26/37,428.12
  6. Step 6: Final answer
    x = 18,706.86

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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.