Home / 56,951.37-85,435.20-17,511.78

Finding the Fourth Proportional to 56,951.37, 85,435.20 and 17,511.78

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Solution

The fourth proportional to 56,951.37, 85,435.20 and 17,511.78 is: 26,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.37 : 85,435.20 = 17,511.78 : x
  2. Step 2: Convert to fraction form
    56,951.37/85,435.20 = 17,511.78/x
  3. Step 3: Cross multiply
    56,951.37x = 85,435.20 × 17,511.78
  4. Step 4: Simplify right side
    56,951.37x = 1,496,122,426.66
  5. Step 5: Solve for x
    x = 1,496,122,426.66/56,951.37
  6. Step 6: Final answer
    x = 26,270.17

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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.