Home / 37,572.16-56,359.97-20,919.65

Finding the Fourth Proportional to 37,572.16, 56,359.97 and 20,919.65

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Solution

The fourth proportional to 37,572.16, 56,359.97 and 20,919.65 is: 31,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,572.16 : 56,359.97 = 20,919.65 : x
  2. Step 2: Convert to fraction form
    37,572.16/56,359.97 = 20,919.65/x
  3. Step 3: Cross multiply
    37,572.16x = 56,359.97 × 20,919.65
  4. Step 4: Simplify right side
    37,572.16x = 1,179,030,846.41
  5. Step 5: Solve for x
    x = 1,179,030,846.41/37,572.16
  6. Step 6: Final answer
    x = 31,380.44

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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.