Home / 37,912.22-56,855.64-12,605.90

Finding the Fourth Proportional to 37,912.22, 56,855.64 and 12,605.90

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Solution

The fourth proportional to 37,912.22, 56,855.64 and 12,605.90 is: 18,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.22 : 56,855.64 = 12,605.90 : x
  2. Step 2: Convert to fraction form
    37,912.22/56,855.64 = 12,605.90/x
  3. Step 3: Cross multiply
    37,912.22x = 56,855.64 × 12,605.90
  4. Step 4: Simplify right side
    37,912.22x = 716,716,512.28
  5. Step 5: Solve for x
    x = 716,716,512.28/37,912.22
  6. Step 6: Final answer
    x = 18,904.63

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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.