Home / 37,872.90-56,789.24-11,215.22

Finding the Fourth Proportional to 37,872.90, 56,789.24 and 11,215.22

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Solution

The fourth proportional to 37,872.90, 56,789.24 and 11,215.22 is: 16,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,872.90 : 56,789.24 = 11,215.22 : x
  2. Step 2: Convert to fraction form
    37,872.90/56,789.24 = 11,215.22/x
  3. Step 3: Cross multiply
    37,872.90x = 56,789.24 × 11,215.22
  4. Step 4: Simplify right side
    37,872.90x = 636,903,820.23
  5. Step 5: Solve for x
    x = 636,903,820.23/37,872.90
  6. Step 6: Final answer
    x = 16,816.87

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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.