Home / 37,629.83-56,405.23-12,661.21

Finding the Fourth Proportional to 37,629.83, 56,405.23 and 12,661.21

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Solution

The fourth proportional to 37,629.83, 56,405.23 and 12,661.21 is: 18,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,629.83 : 56,405.23 = 12,661.21 : x
  2. Step 2: Convert to fraction form
    37,629.83/56,405.23 = 12,661.21/x
  3. Step 3: Cross multiply
    37,629.83x = 56,405.23 × 12,661.21
  4. Step 4: Simplify right side
    37,629.83x = 714,158,183.70
  5. Step 5: Solve for x
    x = 714,158,183.70/37,629.83
  6. Step 6: Final answer
    x = 18,978.51

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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.