Home / 37,891.20-56,853.16-20,340.52

Finding the Fourth Proportional to 37,891.20, 56,853.16 and 20,340.52

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Solution

The fourth proportional to 37,891.20, 56,853.16 and 20,340.52 is: 30,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.20 : 56,853.16 = 20,340.52 : x
  2. Step 2: Convert to fraction form
    37,891.20/56,853.16 = 20,340.52/x
  3. Step 3: Cross multiply
    37,891.20x = 56,853.16 × 20,340.52
  4. Step 4: Simplify right side
    37,891.20x = 1,156,422,838.04
  5. Step 5: Solve for x
    x = 1,156,422,838.04/37,891.20
  6. Step 6: Final answer
    x = 30,519.56

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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.