Home / 56,815.37-85,223.03-21,755.03

Finding the Fourth Proportional to 56,815.37, 85,223.03 and 21,755.03

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Solution

The fourth proportional to 56,815.37, 85,223.03 and 21,755.03 is: 32,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,815.37 : 85,223.03 = 21,755.03 : x
  2. Step 2: Convert to fraction form
    56,815.37/85,223.03 = 21,755.03/x
  3. Step 3: Cross multiply
    56,815.37x = 85,223.03 × 21,755.03
  4. Step 4: Simplify right side
    56,815.37x = 1,854,029,202.61
  5. Step 5: Solve for x
    x = 1,854,029,202.61/56,815.37
  6. Step 6: Final answer
    x = 32,632.53

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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.