Home / 52,071.22-78,090.67-18,786.96

Finding the Fourth Proportional to 52,071.22, 78,090.67 and 18,786.96

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Solution

The fourth proportional to 52,071.22, 78,090.67 and 18,786.96 is: 28,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,071.22 : 78,090.67 = 18,786.96 : x
  2. Step 2: Convert to fraction form
    52,071.22/78,090.67 = 18,786.96/x
  3. Step 3: Cross multiply
    52,071.22x = 78,090.67 × 18,786.96
  4. Step 4: Simplify right side
    52,071.22x = 1,467,086,293.66
  5. Step 5: Solve for x
    x = 1,467,086,293.66/52,071.22
  6. Step 6: Final answer
    x = 28,174.61

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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.