Home / 56,775.56-85,163.34-21,725.96

Finding the Fourth Proportional to 56,775.56, 85,163.34 and 21,725.96

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Solution

The fourth proportional to 56,775.56, 85,163.34 and 21,725.96 is: 32,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,775.56 : 85,163.34 = 21,725.96 : x
  2. Step 2: Convert to fraction form
    56,775.56/85,163.34 = 21,725.96/x
  3. Step 3: Cross multiply
    56,775.56x = 85,163.34 × 21,725.96
  4. Step 4: Simplify right side
    56,775.56x = 1,850,255,318.31
  5. Step 5: Solve for x
    x = 1,850,255,318.31/56,775.56
  6. Step 6: Final answer
    x = 32,588.94

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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.