Home / 37,921.80-56,882.16-17,145.30

Finding the Fourth Proportional to 37,921.80, 56,882.16 and 17,145.30

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Solution

The fourth proportional to 37,921.80, 56,882.16 and 17,145.30 is: 25,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.80 : 56,882.16 = 17,145.30 : x
  2. Step 2: Convert to fraction form
    37,921.80/56,882.16 = 17,145.30/x
  3. Step 3: Cross multiply
    37,921.80x = 56,882.16 × 17,145.30
  4. Step 4: Simplify right side
    37,921.80x = 975,261,697.85
  5. Step 5: Solve for x
    x = 975,261,697.85/37,921.80
  6. Step 6: Final answer
    x = 25,717.71

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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.