Home / 37,620.83-56,439.91-12,660.22

Finding the Fourth Proportional to 37,620.83, 56,439.91 and 12,660.22

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Solution

The fourth proportional to 37,620.83, 56,439.91 and 12,660.22 is: 18,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.83 : 56,439.91 = 12,660.22 : x
  2. Step 2: Convert to fraction form
    37,620.83/56,439.91 = 12,660.22/x
  3. Step 3: Cross multiply
    37,620.83x = 56,439.91 × 12,660.22
  4. Step 4: Simplify right side
    37,620.83x = 714,541,958.10
  5. Step 5: Solve for x
    x = 714,541,958.10/37,620.83
  6. Step 6: Final answer
    x = 18,993.25

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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.