Home / 37,743.20-56,600.40-11,439.20

Finding the Fourth Proportional to 37,743.20, 56,600.40 and 11,439.20

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Solution

The fourth proportional to 37,743.20, 56,600.40 and 11,439.20 is: 17,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,743.20 : 56,600.40 = 11,439.20 : x
  2. Step 2: Convert to fraction form
    37,743.20/56,600.40 = 11,439.20/x
  3. Step 3: Cross multiply
    37,743.20x = 56,600.40 × 11,439.20
  4. Step 4: Simplify right side
    37,743.20x = 647,463,295.68
  5. Step 5: Solve for x
    x = 647,463,295.68/37,743.20
  6. Step 6: Final answer
    x = 17,154.44

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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.